Directly related questions
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
-
EXEX.1B.HL.TZ0.iii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
- EXEX.1B.HL.TZ0.i: Identify the structure labelled X
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
- EXEX.1B.HL.TZ0.ii: Use the scale bar to calculate the magnification of the image.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
- EXEX.2.HL.TZ0.c: State a development in electron microscopy that has improved the study of cell ultrastructure.
-
22N.1A.SL.TZ0.1:
The diagram shows a prokaryotic cell.
[Source: © Rice University. 1999–2023 Figure 4.5 Prokaryotic cell. [image online] Available at: https://openstax.org/apps/archive/20220815.182343/resources/50163f8ff80f335574f41bfc10cc49a1e87cf9df [Accessed 13 January 2023].]
What are the structures labelled Y and Z?
-
22N.1A.SL.TZ0.1:
The diagram shows a prokaryotic cell.
[Source: © Rice University. 1999–2023 Figure 4.5 Prokaryotic cell. [image online] Available at: https://openstax.org/apps/archive/20220815.182343/resources/50163f8ff80f335574f41bfc10cc49a1e87cf9df [Accessed 13 January 2023].]
What are the structures labelled Y and Z?
-
22N.2.SL.TZ0.2c:
Describe two pieces of evidence that show that eukaryotic cells originated by endosymbiosis.
-
22N.2.SL.TZ0.2c:
Describe two pieces of evidence that show that eukaryotic cells originated by endosymbiosis.
-
22N.2.SL.TZ0.c:
Describe two pieces of evidence that show that eukaryotic cells originated by endosymbiosis.
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- SPM.1B.SL.TZ0.c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
-
SPM.1B.SL.TZ0.b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
Sub sections and their related questions
A2.2.2. Microscopy skills
-
22M.2.SL.TZ2.2a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.2b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
19M.1A.SL.TZ2.2:
The magnification of the micrograph is 2000×.
[Source: https://upload.wikimedia.org/wikipedia/commons/6/6c/HeLa_cells_stained_with_Hoechst_33258.jpg
by TenOfAllTrades.]What is the maximum diameter of the nucleus in the cell labelled X?
A. 10 μm
B. 10 nm
C. 20 μm
D. 20 nm
-
19N.1A.SL.TZ0.1:
The electron micrograph shows a thin section through a plant mesophyll cell.
[Source: https://commons.wikimedia.org/wiki/File:Euglena_sp.jpg, by Deuterostome
https://creativecommons.org/licenses/by-sa/3.0/legalcode]What is the magnification of the image?
A. × 75
B. × 300
C. × 3000
D. × 7500
-
20N.1B.SL.TZ0.1a:
Calculate the magnification of the image, showing your working.
. . . . . . . . . . . . . . . . . . . . x
- 19M.2.SL.TZ2.2a: Estimate the length of the molecule of DNA shown in the autoradiogram between the two...
-
19M.1B.SL.TZ1.1a:
Using the scale bar, calculate the magnification of the image.
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
-
22M.2.SL.TZ2.2a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.2b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.2a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.2b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.2a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.2b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.2a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.2b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.2a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.a.ii:
Calculate the length of the entire cell labelled Y, showing your working.
-
22M.2.SL.TZ2.2b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
22M.2.SL.TZ2.b:
Calculate the maximum diameter of the stem cell cluster on the micrograph, showing your working and giving the units.
..........
-
19M.1A.SL.TZ2.2:
The magnification of the micrograph is 2000×.
[Source: https://upload.wikimedia.org/wikipedia/commons/6/6c/HeLa_cells_stained_with_Hoechst_33258.jpg
by TenOfAllTrades.]What is the maximum diameter of the nucleus in the cell labelled X?
A. 10 μm
B. 10 nm
C. 20 μm
D. 20 nm
-
19N.1A.SL.TZ0.1:
The electron micrograph shows a thin section through a plant mesophyll cell.
[Source: https://commons.wikimedia.org/wiki/File:Euglena_sp.jpg, by Deuterostome
https://creativecommons.org/licenses/by-sa/3.0/legalcode]What is the magnification of the image?
A. × 75
B. × 300
C. × 3000
D. × 7500
-
20N.1B.SL.TZ0.a:
Calculate the magnification of the image, showing your working.
. . . . . . . . . . . . . . . . . . . . x
- 19M.2.SL.TZ2.a: Estimate the length of the molecule of DNA shown in the autoradiogram between the two...
-
19M.1B.SL.TZ1.a:
Using the scale bar, calculate the magnification of the image.
-
SPM.1B.SL.TZ0.2b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
- SPM.1B.SL.TZ0.2c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
-
SPM.1B.SL.TZ0.b:
Calculate the actual thickness of the leaf, from upper to lower surface along the line a–b, showing your working.
- SPM.1B.SL.TZ0.c: Suggest a reason for using a lower power objective lens when first focusing on a slide under the...
- EXEX.1B.HL.TZ0.1aii: Use the scale bar to calculate the magnification of the image.
- EXEX.1B.HL.TZ0.ii: Use the scale bar to calculate the magnification of the image.
A2.2.1. Cells as the basic structural unit of all living organisms
- 19N.2.SL.TZ0.3a: Outline the cell theory.
- 19N.2.SL.TZ0.3a: Outline the cell theory.
- 19N.2.SL.TZ0.a: Outline the cell theory.
A2.2.4. Structures common to cells in all living organisms
NoneA2.2.5. Prokaryote cell structure
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
21N.1A.SL.TZ0.13:
John Cairns used the technique of autoradiography to produce photographs of DNA from the bacterium E. coli.
[Source: © Cold Spring Harbor Laboratory Press. Autoradiography of bacterium E. coli DNA - micrograph, The Chromosome of
Escherichia coli Cairns, J.P., 1963. Cold Spring Harbor Symposia, Quantitative Biology, 28(44).]Which conclusion was drawn from his experiments?
A. The DNA in all organisms is circular.
B. DNA in E. coli naturally contains thymidine.
C. DNA replication is conservative.
D. The DNA in E. coli is 900 μm in length.
- 21M.2.SL.TZ2.5c: Testis cells are eukaryotic cells. Identify the structures seen under the electron microscope in...
- 19M.2.SL.TZ1.2a: Distinguish between the structure of the chromosomes of prokaryotes and eukaryotes.
-
21M.2.SL.TZ2.6a:
Outline the structures in M. tuberculosis that are not present in a human cell.
- 19M.1A.SL.TZ2.1: Which structures are found only in prokaryotic cells? A. Ribosomes B. Pili C. Cell walls D....
- 21M.1A.SL.TZ2.11: What feature of eukaryotic chromosomes distinguishes them from the chromosomes of...
-
22N.1A.SL.TZ0.1:
The diagram shows a prokaryotic cell.
[Source: © Rice University. 1999–2023 Figure 4.5 Prokaryotic cell. [image online] Available at: https://openstax.org/apps/archive/20220815.182343/resources/50163f8ff80f335574f41bfc10cc49a1e87cf9df [Accessed 13 January 2023].]
What are the structures labelled Y and Z?
-
23M.2.SL.TZ2.1a:
Using the data in the stacked column graph, describe the features that characterize the B2 enterotype.
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
- 23M.1A.SL.TZ2.1: What cell component is found in eukaryotic cells but not in prokaryotic cells? A. Mitochondria...
- 23M.1A.SL.TZ2.2: What cell component is found in eukaryotic cells but not in prokaryotic cells? A. Mitochondria...
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
21N.1A.SL.TZ0.13:
John Cairns used the technique of autoradiography to produce photographs of DNA from the bacterium E. coli.
[Source: © Cold Spring Harbor Laboratory Press. Autoradiography of bacterium E. coli DNA - micrograph, The Chromosome of
Escherichia coli Cairns, J.P., 1963. Cold Spring Harbor Symposia, Quantitative Biology, 28(44).]Which conclusion was drawn from his experiments?
A. The DNA in all organisms is circular.
B. DNA in E. coli naturally contains thymidine.
C. DNA replication is conservative.
D. The DNA in E. coli is 900 μm in length.
- 21M.2.SL.TZ2.5c: Testis cells are eukaryotic cells. Identify the structures seen under the electron microscope in...
- 21M.2.SL.TZ2.c: Testis cells are eukaryotic cells. Identify the structures seen under the electron microscope in...
- 19M.2.SL.TZ1.2a: Distinguish between the structure of the chromosomes of prokaryotes and eukaryotes.
- 19M.2.SL.TZ1.a: Distinguish between the structure of the chromosomes of prokaryotes and eukaryotes.
-
21M.2.SL.TZ2.6a:
Outline the structures in M. tuberculosis that are not present in a human cell.
-
21M.2.SL.TZ2.a:
Outline the structures in M. tuberculosis that are not present in a human cell.
- 19M.1A.SL.TZ2.1: Which structures are found only in prokaryotic cells? A. Ribosomes B. Pili C. Cell walls D....
- 21M.1A.SL.TZ2.11: What feature of eukaryotic chromosomes distinguishes them from the chromosomes of...
-
22N.1A.SL.TZ0.1:
The diagram shows a prokaryotic cell.
[Source: © Rice University. 1999–2023 Figure 4.5 Prokaryotic cell. [image online] Available at: https://openstax.org/apps/archive/20220815.182343/resources/50163f8ff80f335574f41bfc10cc49a1e87cf9df [Accessed 13 January 2023].]
What are the structures labelled Y and Z?
-
23M.2.SL.TZ2.1a:
Using the data in the stacked column graph, describe the features that characterize the B2 enterotype.
-
23M.2.SL.TZ2.a:
Using the data in the stacked column graph, describe the features that characterize the B2 enterotype.
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
- 23M.1A.SL.TZ2.1: What cell component is found in eukaryotic cells but not in prokaryotic cells? A. Mitochondria...
- 23M.1A.SL.TZ2.2: What cell component is found in eukaryotic cells but not in prokaryotic cells? A. Mitochondria...
A2.2.3. Developments in microscopy
-
22M.1A.SL.TZ2.2:
The images of the radiolarian, a single-celled marine organism, were produced using a light microscope (left) and a scanning electron microscope (right).
[Source: Munir,S.;Sun,J.;Morton, S.L. The First Record and Classification of Planktonic Radiolarian
(Phylum Retaria) and Phaeodarian (Phylum Cercozoa) in the Eastern Indian Ocean. Biology 2021, 10, 202.
https://doi.org/10.3390/biology10030202 Copyright: © 2021 by the authors. This article is an open access
article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).]What is a reason for the difference in quality of these images?
A. Light cannot pass through the specimen.
B. Higher magnification can be achieved with the electron microscope.
C. The resolution of the electron microscope is higher.
D. Samples are stained with methylene blue when viewed with the light microscope.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
-
22M.1A.SL.TZ2.2:
The images of the radiolarian, a single-celled marine organism, were produced using a light microscope (left) and a scanning electron microscope (right).
[Source: Munir,S.;Sun,J.;Morton, S.L. The First Record and Classification of Planktonic Radiolarian
(Phylum Retaria) and Phaeodarian (Phylum Cercozoa) in the Eastern Indian Ocean. Biology 2021, 10, 202.
https://doi.org/10.3390/biology10030202 Copyright: © 2021 by the authors. This article is an open access
article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).]What is a reason for the difference in quality of these images?
A. Light cannot pass through the specimen.
B. Higher magnification can be achieved with the electron microscope.
C. The resolution of the electron microscope is higher.
D. Samples are stained with methylene blue when viewed with the light microscope.
- EXEX.2.HL.TZ0.3c: State a development in electron microscopy that has improved the study of cell ultrastructure.
- EXEX.2.HL.TZ0.c: State a development in electron microscopy that has improved the study of cell ultrastructure.
A2.2.6. Eukaryote cell structure
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
21M.2.SL.TZ1.2a:
State two structural similarities between mitochondria and chloroplasts.
1.
2.
- 21M.2.SL.TZ2.5c: Testis cells are eukaryotic cells. Identify the structures seen under the electron microscope in...
- 19M.2.SL.TZ1.2a: Distinguish between the structure of the chromosomes of prokaryotes and eukaryotes.
- 21M.1A.SL.TZ1.2: What do chloroplasts and mitochondria have in common? A. Both are found in the cells of...
- 20N.1A.SL.TZ0.1: What is the name of the cell component labelled Y? A. Golgi apparatus B. Nucleus C....
- 22M.1A.SL.TZ1.1: A cell contains chloroplasts, plasma membrane and 80S ribosomes. What type of cell could it...
- 21M.1A.SL.TZ2.14: What feature of eukaryotic chromosomes distinguishes them from the chromosomes of...
- 19M.1A.SL.TZ2.1: Which structures are found only in prokaryotic cells? A. Ribosomes B. Pili C. Cell walls D....
- 19N.2.SL.TZ0.6b: Outline the structural and genetic characteristics of eukaryotic chromosomes.
- 21M.1A.SL.TZ2.11: What feature of eukaryotic chromosomes distinguishes them from the chromosomes of...
- 20N.1A.SL.TZ0.1: Chlorella and Paramecium are both unicellular eukaryotic organisms living in freshwater....
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.2b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
22M.2.SL.TZ2.b.i:
Distinguish between the structure of chromosomes in prokaryotes and eukaryotes.
-
21M.2.SL.TZ1.2a:
State two structural similarities between mitochondria and chloroplasts.
1.
2.
-
21M.2.SL.TZ1.a:
State two structural similarities between mitochondria and chloroplasts.
1.
2.
- 21M.2.SL.TZ2.5c: Testis cells are eukaryotic cells. Identify the structures seen under the electron microscope in...
- 21M.2.SL.TZ2.c: Testis cells are eukaryotic cells. Identify the structures seen under the electron microscope in...
- 19M.2.SL.TZ1.2a: Distinguish between the structure of the chromosomes of prokaryotes and eukaryotes.
- 19M.2.SL.TZ1.a: Distinguish between the structure of the chromosomes of prokaryotes and eukaryotes.
- 21M.1A.SL.TZ1.2: What do chloroplasts and mitochondria have in common? A. Both are found in the cells of...
- 20N.1A.SL.TZ0.1: What is the name of the cell component labelled Y? A. Golgi apparatus B. Nucleus C....
- 22M.1A.SL.TZ1.1: A cell contains chloroplasts, plasma membrane and 80S ribosomes. What type of cell could it...
- 21M.1A.SL.TZ2.14: What feature of eukaryotic chromosomes distinguishes them from the chromosomes of...
- 19M.1A.SL.TZ2.1: Which structures are found only in prokaryotic cells? A. Ribosomes B. Pili C. Cell walls D....
- 19N.2.SL.TZ0.6b: Outline the structural and genetic characteristics of eukaryotic chromosomes.
- 19N.2.SL.TZ0.b: Outline the structural and genetic characteristics of eukaryotic chromosomes.
- 21M.1A.SL.TZ2.11: What feature of eukaryotic chromosomes distinguishes them from the chromosomes of...
- 20N.1A.SL.TZ0.1: Chlorella and Paramecium are both unicellular eukaryotic organisms living in freshwater....
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
- 23M.1A.SL.TZ1.2: What is a difference between eukaryotic and prokaryotic cells? A. Cell walls are found only in...
A2.2.7. Processes of life in unicellular organisms
- 19N.2.SL.TZ0.3b: State two functions of life.
- 19N.2.SL.TZ0.3b: State two functions of life.
- 19N.2.SL.TZ0.b: State two functions of life.
A2.2.8. Differences in eukaryotic cell structure between animals, fungi and plants
- 20N.1A.SL.TZ0.1: Chlorella and Paramecium are both unicellular eukaryotic organisms living in freshwater....
- 20N.1A.SL.TZ0.1: Chlorella and Paramecium are both unicellular eukaryotic organisms living in freshwater....
A2.2.9. Atypical cell structure in eukaryotes
NoneA2.2.10. Cell types and cell structures viewed in light and electron micrographs
-
21M.1A.SL.TZ2.2:
What function is performed by the part of the cell shown in the electron micrograph?
[Source: George E. Palade Electron Microscopy Slide Collection Harvey Cushing/John Hay Whitney Medical Library Yale University Library.]
A. Locomotion
B. Synthesis of proteins
C. Movement of chromosomes
D. Breakdown of cellular organelles
- 22M.1A.SL.TZ1.1: Two cells have the following characteristics. Which deduction is supported by this...
- 19M.2.SL.TZ1.2a: Identify which electron micrograph shows a mitochondrion, providing one observation to support...
-
20N.2.SL.TZ0.3a:
Outline how the structures labelled X and Y are adapted to carry out the function of the mitochondrion.
X:
Y:
-
21M.1A.SL.TZ2.13:
The electron micrograph shows a section through a plant cell.
[Source: Photo © E. Newcomb.]
In which structure(s) is the genome of the cell contained?
A. Z only
B. X, Y and Z only
C. W and X only
D. X and Y only
-
19M.1A.SL.TZ1.2:
The image shows a phagocytic white blood cell as seen with a transmission electron microscope.
[Source: http://www.wikidoc.org/index.php/File:Monocyte_TEM_0002.jpg, by Cafer Zorkun is licensed
under the Creative Commons Attribution/Share-Alike License]Which features can be found both within this cell and in a photosynthetic bacterium?
A. Chloroplasts
B. Multiple nuclei
C. 70S ribosomes
D. Lysosomes
-
21M.2.SL.TZ2.6a:
Outline the structures in M. tuberculosis that are not present in a human cell.
-
19M.1A.SL.TZ1.2:
The image shows an electron micrograph of part of a cell.
[Source: Dr. Eldon Newcomb – Emeritis Professor at The University of Wisconsin – Madison.]
Which features do the two structures labelled X and Y have in common?
A. They are surrounded by a double membrane.
B. They contain 70S ribosomes.
C. They contain naked DNA.
D. They are only found in leaf cells.
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
-
23M.2.SL.TZ2.7a:
Describe the organelles and other structures in animal cells that are visible in electron micrographs.
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
-
21M.1A.SL.TZ2.2:
What function is performed by the part of the cell shown in the electron micrograph?
[Source: George E. Palade Electron Microscopy Slide Collection Harvey Cushing/John Hay Whitney Medical Library Yale University Library.]
A. Locomotion
B. Synthesis of proteins
C. Movement of chromosomes
D. Breakdown of cellular organelles
- 22M.1A.SL.TZ1.1: Two cells have the following characteristics. Which deduction is supported by this...
- 19M.2.SL.TZ1.2a: Identify which electron micrograph shows a mitochondrion, providing one observation to support...
- 19M.2.SL.TZ1.a: Identify which electron micrograph shows a mitochondrion, providing one observation to support...
-
20N.2.SL.TZ0.3a:
Outline how the structures labelled X and Y are adapted to carry out the function of the mitochondrion.
X:
Y:
-
20N.2.SL.TZ0.a:
Outline how the structures labelled X and Y are adapted to carry out the function of the mitochondrion.
X:
Y:
-
21M.1A.SL.TZ2.13:
The electron micrograph shows a section through a plant cell.
[Source: Photo © E. Newcomb.]
In which structure(s) is the genome of the cell contained?
A. Z only
B. X, Y and Z only
C. W and X only
D. X and Y only
-
19M.1A.SL.TZ1.2:
The image shows a phagocytic white blood cell as seen with a transmission electron microscope.
[Source: http://www.wikidoc.org/index.php/File:Monocyte_TEM_0002.jpg, by Cafer Zorkun is licensed
under the Creative Commons Attribution/Share-Alike License]Which features can be found both within this cell and in a photosynthetic bacterium?
A. Chloroplasts
B. Multiple nuclei
C. 70S ribosomes
D. Lysosomes
-
21M.2.SL.TZ2.6a:
Outline the structures in M. tuberculosis that are not present in a human cell.
-
21M.2.SL.TZ2.a:
Outline the structures in M. tuberculosis that are not present in a human cell.
-
19M.1A.SL.TZ1.2:
The image shows an electron micrograph of part of a cell.
[Source: Dr. Eldon Newcomb – Emeritis Professor at The University of Wisconsin – Madison.]
Which features do the two structures labelled X and Y have in common?
A. They are surrounded by a double membrane.
B. They contain 70S ribosomes.
C. They contain naked DNA.
D. They are only found in leaf cells.
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
-
23M.2.SL.TZ2.7a:
Describe the organelles and other structures in animal cells that are visible in electron micrographs.
-
23M.2.SL.TZ2.a:
Describe the organelles and other structures in animal cells that are visible in electron micrographs.
- EXEX.1B.HL.TZ0.1ai: Identify the structure labelled X
-
EXEX.1B.HL.TZ0.1aiii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
- EXEX.1B.HL.TZ0.i: Identify the structure labelled X
-
EXEX.1B.HL.TZ0.iii:
From the electron micrograph, suggest which viral particle P or Q is likely to have already infected a host cell.
A2.2.11. Drawing and annotation based on electron micrographs
-
20N.2.SL.TZ0.6a:
Draw the ultrastructure of a prokaryotic cell based on electron micrographs.
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
-
20N.2.SL.TZ0.6a:
Draw the ultrastructure of a prokaryotic cell based on electron micrographs.
-
20N.2.SL.TZ0.a:
Draw the ultrastructure of a prokaryotic cell based on electron micrographs.
- SPM.1B.SL.TZ0.2a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
- SPM.1B.SL.TZ0.a: Draw a plan diagram in the right-hand box with labels to show the distribution of tissues in this...
A2.2.12. Origin of eukaryotic cells by endosymbiosis
-
21N.2.HL.TZ0.6a:
Describe the endosymbiotic theory.
- 20N.1A.HL.TZ0.2: Which feature of the cell in the micrograph is consistent with the endosymbiotic theory? A. X...
- 19M.2.HL.TZ2.6a: Describe briefly the endosymbiotic theory.
- 21N.1A.HL.TZ0.4: How do both mitochondria and chloroplasts provide evidence for the endosymbiotic theory? A. They...
- 19M.2.HL.TZ1.2b: Discuss the evidence for the theory that mitochondria may have evolved from free-living...
- 20N.2.HL.TZ0.2d: Apart from the ribosomes, explain the evidence for the endosymbiotic theory of the origin of...
- 22M.1A.SL.TZ1.4: Which cell component arose first during the formation of the earliest cells? A. Chloroplast B....
- 21M.1A.HL.TZ2.5: Which statement is evidence for the endosymbiotic theory? A. Chloroplasts contain 70S...
- 19M.2.HL.TZ1.3a: Compare and contrast the structure of a typical prokaryotic cell with that of a mitochondrion.
- 19M.2.HL.TZ1.3b: Explain how mitochondria could have been formed from free living prokaryotes.
- 19N.1A.HL.TZ0.3: Which statement provides evidence for endosymbiosis? A. Early prokaryotes contributed to a large...
-
22N.2.SL.TZ0.2c:
Describe two pieces of evidence that show that eukaryotic cells originated by endosymbiosis.
- 23M.1A.HL.TZ1.4: What is evidence for the endosymbiotic theory in eukaryotic cells? A. Mitochondrion with DNA B. ...
- 23M.1A.HL.TZ1.5: What is evidence for the endosymbiotic theory in eukaryotic cells? A. Mitochondrion with DNA B. ...
- 23M.1A.HL.TZ2.4: What is evidence for the endosymbiotic theory? A. Eukaryote mitochondria contain DNA. B. ...
-
21N.2.HL.TZ0.6a:
Describe the endosymbiotic theory.
-
21N.2.HL.TZ0.a:
Describe the endosymbiotic theory.
- 20N.1A.HL.TZ0.2: Which feature of the cell in the micrograph is consistent with the endosymbiotic theory? A. X...
- 19M.2.HL.TZ2.6a: Describe briefly the endosymbiotic theory.
- 19M.2.HL.TZ2.a: Describe briefly the endosymbiotic theory.
- 21N.1A.HL.TZ0.4: How do both mitochondria and chloroplasts provide evidence for the endosymbiotic theory? A. They...
- 19M.2.HL.TZ1.2b: Discuss the evidence for the theory that mitochondria may have evolved from free-living...
- 19M.2.HL.TZ1.b: Discuss the evidence for the theory that mitochondria may have evolved from free-living...
- 20N.2.HL.TZ0.2d: Apart from the ribosomes, explain the evidence for the endosymbiotic theory of the origin of...
- 20N.2.HL.TZ0.d: Apart from the ribosomes, explain the evidence for the endosymbiotic theory of the origin of...
- 22M.1A.SL.TZ1.4: Which cell component arose first during the formation of the earliest cells? A. Chloroplast B....
- 21M.1A.HL.TZ2.5: Which statement is evidence for the endosymbiotic theory? A. Chloroplasts contain 70S...
- 19M.2.HL.TZ1.3a: Compare and contrast the structure of a typical prokaryotic cell with that of a mitochondrion.
- 19M.2.HL.TZ1.3b: Explain how mitochondria could have been formed from free living prokaryotes.
- 19M.2.HL.TZ1.a: Compare and contrast the structure of a typical prokaryotic cell with that of a mitochondrion.
- 19M.2.HL.TZ1.b: Explain how mitochondria could have been formed from free living prokaryotes.
- 19N.1A.HL.TZ0.3: Which statement provides evidence for endosymbiosis? A. Early prokaryotes contributed to a large...
-
22N.2.SL.TZ0.2c:
Describe two pieces of evidence that show that eukaryotic cells originated by endosymbiosis.
-
22N.2.SL.TZ0.c:
Describe two pieces of evidence that show that eukaryotic cells originated by endosymbiosis.
- 23M.1A.HL.TZ1.4: What is evidence for the endosymbiotic theory in eukaryotic cells? A. Mitochondrion with DNA B. ...
- 23M.1A.HL.TZ1.5: What is evidence for the endosymbiotic theory in eukaryotic cells? A. Mitochondrion with DNA B. ...
- 23M.1A.HL.TZ2.4: What is evidence for the endosymbiotic theory? A. Eukaryote mitochondria contain DNA. B. ...
A2.2.13. Cell differentiation as the process for developing specialized tissues in multicellular organisms
-
21M.2.HL.TZ2.7c:
Insulin is produced in β cells of the pancreas and not in other cells of the human body. Explain how differentiation of cells and regulation of gene expression allow proteins such as insulin to be produced in only certain types of body cell.
-
21M.2.HL.TZ2.7c:
Insulin is produced in β cells of the pancreas and not in other cells of the human body. Explain how differentiation of cells and regulation of gene expression allow proteins such as insulin to be produced in only certain types of body cell.
-
21M.2.HL.TZ2.c:
Insulin is produced in β cells of the pancreas and not in other cells of the human body. Explain how differentiation of cells and regulation of gene expression allow proteins such as insulin to be produced in only certain types of body cell.