Directly related questions
- 22N.1A.SL.TZ0.10: A DNA triplet on the strand that is transcribed has the bases TAG. Which anticodon on tRNA is...
- 22N.1A.SL.TZ0.10: A DNA triplet on the strand that is transcribed has the bases TAG. Which anticodon on tRNA is...
- 22N.1A.HL.TZ0.26: In transcription, which enzyme has a role similar to that of helicase in replication? A. DNA...
- 22N.1A.HL.TZ0.26: In transcription, which enzyme has a role similar to that of helicase in replication? A. DNA...
-
22N.1A.HL.TZ0.27:
The diagram illustrates some of the processes involved in DNA replication.
[Source: Rohrmann, G., 2019. AcMNPV DNA replication. [diagram online] Available at:
https://www.ncbi.nlm.nih.gov/books/NBK543453/figure/ch05.F1/ [Accessed 26 October 2021].]What is shown in the diagram?
A. DNA polymerase bonding nucleotides in a 3’ to 5’ direction
B. Single-stranded DNA-binding proteins on the old strands
C. Gyrase reforming the double helix
D. DNA ligase joining Okazaki fragments in the leading strand
-
22N.1A.HL.TZ0.27:
The diagram illustrates some of the processes involved in DNA replication.
[Source: Rohrmann, G., 2019. AcMNPV DNA replication. [diagram online] Available at:
https://www.ncbi.nlm.nih.gov/books/NBK543453/figure/ch05.F1/ [Accessed 26 October 2021].]What is shown in the diagram?
A. DNA polymerase bonding nucleotides in a 3’ to 5’ direction
B. Single-stranded DNA-binding proteins on the old strands
C. Gyrase reforming the double helix
D. DNA ligase joining Okazaki fragments in the leading strand
- 22N.1A.HL.TZ0.28: The diagram shows a ribosome and associated mRNA Which of these events occurs first in...
- 22N.1A.HL.TZ0.28: The diagram shows a ribosome and associated mRNA Which of these events occurs first in...
-
22N.2.SL.TZ0.4d:
Explain how a single base substitution mutation in DNA can cause a change to a protein.
-
22N.2.SL.TZ0.4d:
Explain how a single base substitution mutation in DNA can cause a change to a protein.
-
22N.2.SL.TZ0.d:
Explain how a single base substitution mutation in DNA can cause a change to a protein.
- 22N.2.HL.TZ0.4c.ii: Identify Y, non-coding DNA at the start of a gene.
- 22N.2.HL.TZ0.4c.ii: Identify Y, non-coding DNA at the start of a gene.
- 22N.2.HL.TZ0.c.ii: Identify Y, non-coding DNA at the start of a gene.
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
Sub sections and their related questions
D1.2.1. Transcription as the synthesis of RNA using a DNA template
-
21M.1A.SL.TZ2.27:
What is a feature of transcription in the single-celled organism shown in the electron micrograph?
[Source: George E. Palade Electron Microscopy Slide Collection Harvey Cushing/John Hay Whitney Medical Library Yale University Library.]
A. mRNA splicing
B. Removal of introns
C. Codon-anticodon binding
D. Synthesis of RNA in a 5′ to 3′ direction
-
21N.2.HL.TZ0.6b:
Explain transcription.
- 19M.2.SL.TZ1.7a: Outline the stages in the production of mRNA by transcription.
- 22N.1A.HL.TZ0.26: In transcription, which enzyme has a role similar to that of helicase in replication? A. DNA...
-
21M.1A.SL.TZ2.27:
What is a feature of transcription in the single-celled organism shown in the electron micrograph?
[Source: George E. Palade Electron Microscopy Slide Collection Harvey Cushing/John Hay Whitney Medical Library Yale University Library.]
A. mRNA splicing
B. Removal of introns
C. Codon-anticodon binding
D. Synthesis of RNA in a 5′ to 3′ direction
-
21N.2.HL.TZ0.6b:
Explain transcription.
-
21N.2.HL.TZ0.b:
Explain transcription.
- 19M.2.SL.TZ1.7a: Outline the stages in the production of mRNA by transcription.
- 19M.2.SL.TZ1.a: Outline the stages in the production of mRNA by transcription.
- 22N.1A.HL.TZ0.26: In transcription, which enzyme has a role similar to that of helicase in replication? A. DNA...
D1.2.2. Role of hydrogen bonding and complementary base pairing in transcription
- 19M.2.SL.TZ1.7a: Outline the stages in the production of mRNA by transcription.
- 19M.2.SL.TZ1.7a: Outline the stages in the production of mRNA by transcription.
- 19M.2.SL.TZ1.a: Outline the stages in the production of mRNA by transcription.
D1.2.3. Stability of DNA templates
NoneD1.2.4. Transcription as a process required for the expression of genes
- 19M.2.SL.TZ1.7a: Outline the stages in the production of mRNA by transcription.
- 19M.2.SL.TZ1.7a: Outline the stages in the production of mRNA by transcription.
- 19M.2.SL.TZ1.a: Outline the stages in the production of mRNA by transcription.
D1.2.5. Translation as the synthesis of polypeptides from mRNA
-
20N.2.HL.TZ0.6c:
Explain how polypeptides are produced by the process of translation.
-
22M.2.SL.TZ2.6a:
Outline how a protein is made in a cell by the process of translation.
- 19M.1A.SL.TZ1.10: The gene that codes for a particular polypeptide includes the base sequence...
- 19N.2.SL.TZ0.6c: Explain how a polypeptide chain is synthesized in a eukaryotic cell.
- 23M.1A.SL.TZ2.9: The anticodons of three tRNAs and the amino acids they carry are shown in the table. tRNA...
- 23M.1A.SL.TZ2.11: The anticodons of three tRNAs and the amino acids they carry are shown in the table. tRNA...
-
20N.2.HL.TZ0.6c:
Explain how polypeptides are produced by the process of translation.
-
20N.2.HL.TZ0.c:
Explain how polypeptides are produced by the process of translation.
-
22M.2.SL.TZ2.6a:
Outline how a protein is made in a cell by the process of translation.
-
22M.2.SL.TZ2.a:
Outline how a protein is made in a cell by the process of translation.
- 19M.1A.SL.TZ1.10: The gene that codes for a particular polypeptide includes the base sequence...
- 19N.2.SL.TZ0.6c: Explain how a polypeptide chain is synthesized in a eukaryotic cell.
- 19N.2.SL.TZ0.c: Explain how a polypeptide chain is synthesized in a eukaryotic cell.
- 23M.1A.SL.TZ2.9: The anticodons of three tRNAs and the amino acids they carry are shown in the table. tRNA...
- 23M.1A.SL.TZ2.11: The anticodons of three tRNAs and the amino acids they carry are shown in the table. tRNA...
D1.2.6. Roles of mRNA, ribosomes and tRNA in translation
-
22M.2.SL.TZ1.4c:
Outline the role of tRNA in hemoglobin synthesis.
- 21M.1A.SL.TZ1.27: Which statement applies to tRNA? A. There is at least one type of tRNA that combines with each...
- 19M.1A.SL.TZ1.10: The gene that codes for a particular polypeptide includes the base sequence...
-
22M.2.SL.TZ1.4c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.4c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.4c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.4c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.4c:
Outline the role of tRNA in hemoglobin synthesis.
-
22M.2.SL.TZ1.c:
Outline the role of tRNA in hemoglobin synthesis.
- 21M.1A.SL.TZ1.27: Which statement applies to tRNA? A. There is at least one type of tRNA that combines with each...
- 19M.1A.SL.TZ1.10: The gene that codes for a particular polypeptide includes the base sequence...
D1.2.7. Complementary base pairing between tRNA and mRNA
- 21N.1A.SL.TZ0.11: The data shows part of the genetic code for mRNA. Which anticodon could be found on a tRNA...
- 19N.2.SL.TZ0.2b.ii: Determine the DNA base sequence transcribed to form this sequence of mRNA.
-
22M.1A.HL.TZ1.28:
This DNA sequence was used to synthesize a polypeptide.
DNA (sense strand): 3′ T A C T G A 5′
DNA (template strand): 5′ A T G A C T 3′
Which are the bases of the tRNA (anticodons)?
A. T A C T G A
B. U A C U G A
C. A U G A C U
D. A T G A C T
-
20N.1A.SL.TZ0.28:
The diagram shows the three-dimensional structure of tRNA.
[Source: Structure reproduced with the kind permission of N.R. Voss.]
What can attach to the region marked X?
A. mRNA
B. An amino acid
C. An anticodon
D. The P site of the ribosome
-
20N.1A.SL.TZ0.9:
The diagram represents transcription and translation.
[Source: © International Baccalaureate Organization 2020.]
What structures do the letters X and Y represent?
- 19M.1A.SL.TZ1.10: The gene that codes for a particular polypeptide includes the base sequence...
- 22N.1A.SL.TZ0.10: A DNA triplet on the strand that is transcribed has the bases TAG. Which anticodon on tRNA is...
- 23M.1A.SL.TZ1.27: The image shows leucyl-tRNA synthetase from Thermus thermophilus complexed with a tRNA. This...
- 21N.1A.SL.TZ0.11: The data shows part of the genetic code for mRNA. Which anticodon could be found on a tRNA...
- 19N.2.SL.TZ0.b.ii: Determine the DNA base sequence transcribed to form this sequence of mRNA.
-
22M.1A.HL.TZ1.28:
This DNA sequence was used to synthesize a polypeptide.
DNA (sense strand): 3′ T A C T G A 5′
DNA (template strand): 5′ A T G A C T 3′
Which are the bases of the tRNA (anticodons)?
A. T A C T G A
B. U A C U G A
C. A U G A C U
D. A T G A C T
-
20N.1A.SL.TZ0.28:
The diagram shows the three-dimensional structure of tRNA.
[Source: Structure reproduced with the kind permission of N.R. Voss.]
What can attach to the region marked X?
A. mRNA
B. An amino acid
C. An anticodon
D. The P site of the ribosome
-
20N.1A.SL.TZ0.9:
The diagram represents transcription and translation.
[Source: © International Baccalaureate Organization 2020.]
What structures do the letters X and Y represent?
- 19M.1A.SL.TZ1.10: The gene that codes for a particular polypeptide includes the base sequence...
- 22N.1A.SL.TZ0.10: A DNA triplet on the strand that is transcribed has the bases TAG. Which anticodon on tRNA is...
- 23M.1A.SL.TZ1.27: The image shows leucyl-tRNA synthetase from Thermus thermophilus complexed with a tRNA. This...
D1.2.8. Features of the genetic code
- 22M.1A.SL.TZ1.7: What is a universal characteristic of the genetic code? A. There are more than 64 different...
- 19N.2.SL.TZ0.2a: Outline the function of codons.
- 22M.1A.SL.TZ1.7: What is a universal characteristic of the genetic code? A. There are more than 64 different...
- 22M.1A.SL.TZ1.7: What is a universal characteristic of the genetic code? A. There are more than 64 different...
- 22M.1A.SL.TZ1.7: What is a universal characteristic of the genetic code? A. There are more than 64 different...
- 22M.1A.SL.TZ1.7: What is a universal characteristic of the genetic code? A. There are more than 64 different...
- 22M.1A.SL.TZ1.7: What is a universal characteristic of the genetic code? A. There are more than 64 different...
- 19N.2.SL.TZ0.a: Outline the function of codons.
D1.2.9. Using the genetic code expressed as a table of mRNA codons
- 19N.2.SL.TZ0.2b.i: Determine the sequence of amino acids that could be translated from the sequence of mRNA.
- 22M.1A.SL.TZ1.10: What is the minimum number of nucleotides needed to code for a polypeptide composed of 210 amino...
-
19N.1A.SL.TZ0.7:
The diagram shows mRNA codons.
[Source: elementix / Alamy Stock Photo]
The mRNA sequence UGGAACGUA codes for what amino acid sequence?
A. Glycine-Glutamine-Methionine
B. Methionine-Glutamine-Glycine
C. Threonine-Valine-Histidine
D. Tryptophan-Asparagine-Valine
- 20N.1A.SL.TZ0.8: The genetic code is shown. In a coding gene, the DNA triplet in the transcribed strand is...
- 19N.2.SL.TZ0.b.i: Determine the sequence of amino acids that could be translated from the sequence of mRNA.
- 22M.1A.SL.TZ1.10: What is the minimum number of nucleotides needed to code for a polypeptide composed of 210 amino...
-
19N.1A.SL.TZ0.7:
The diagram shows mRNA codons.
[Source: elementix / Alamy Stock Photo]
The mRNA sequence UGGAACGUA codes for what amino acid sequence?
A. Glycine-Glutamine-Methionine
B. Methionine-Glutamine-Glycine
C. Threonine-Valine-Histidine
D. Tryptophan-Asparagine-Valine
- 20N.1A.SL.TZ0.8: The genetic code is shown. In a coding gene, the DNA triplet in the transcribed strand is...
D1.2.10. Stepwise movement of the ribosome along mRNA and linkage of amino acids by peptide bonding to the growing polypeptide chain
-
20N.2.HL.TZ0.6c:
Explain how polypeptides are produced by the process of translation.
- 19N.2.SL.TZ0.2d.ii: State the type of reaction that removes water while linking amino acids together to form...
-
20N.2.HL.TZ0.6c:
Explain how polypeptides are produced by the process of translation.
-
20N.2.HL.TZ0.c:
Explain how polypeptides are produced by the process of translation.
- 19N.2.SL.TZ0.d.ii: State the type of reaction that removes water while linking amino acids together to form...
D1.2.11. Mutations that change protein structure
- 19N.2.SL.TZ0.2c: Suggest a hypothesis that accounts for the slightly different meaning of some codons in a very...
-
22N.2.SL.TZ0.4d:
Explain how a single base substitution mutation in DNA can cause a change to a protein.
- 19N.2.SL.TZ0.c: Suggest a hypothesis that accounts for the slightly different meaning of some codons in a very...
-
22N.2.SL.TZ0.4d:
Explain how a single base substitution mutation in DNA can cause a change to a protein.
-
22N.2.SL.TZ0.d:
Explain how a single base substitution mutation in DNA can cause a change to a protein.
D1.2.12. Directionality of transcription and translation
- 19M.1A.HL.TZ2.9: The base sequences of a short section of DNA are shown, together with mRNA that has been...
- 19M.1A.HL.TZ2.9: The base sequences of a short section of DNA are shown, together with mRNA that has been...
D1.2.13. Initiation of transcription at the promoter
- 19M.1A.HL.TZ2.14: What applies to DNA base sequences? I. Some genes do not code for proteins. II. Promoters are...
- 22M.1A.HL.TZ2.27: Promoters are non-coding regions in DNA. What is the role of a promoter? A. It starts...
-
21N.2.HL.TZ0.6b:
Explain transcription.
- 19M.1A.HL.TZ2.14: What applies to DNA base sequences? I. Some genes do not code for proteins. II. Promoters are...
- 22M.1A.HL.TZ2.27: Promoters are non-coding regions in DNA. What is the role of a promoter? A. It starts...
-
21N.2.HL.TZ0.6b:
Explain transcription.
-
21N.2.HL.TZ0.b:
Explain transcription.
D1.2.14. Non-coding sequences in DNA do not code for polypeptides
-
20N.2.HL.TZ0.6c:
Explain how polypeptides are produced by the process of translation.
- 19M.1A.HL.TZ2.14: What applies to DNA base sequences? I. Some genes do not code for proteins. II. Promoters are...
-
19M.2.HL.TZ2.2a.iii:
DNA has regions that do not code for proteins. State two functions of these regions.
1.
2.
- 22N.2.HL.TZ0.4c.ii: Identify Y, non-coding DNA at the start of a gene.
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
- 23M.1A.HL.TZ2.23: What happens to an RNA molecule in eukaryotes after transcription in order to process it into...
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
-
20N.2.HL.TZ0.6c:
Explain how polypeptides are produced by the process of translation.
-
20N.2.HL.TZ0.c:
Explain how polypeptides are produced by the process of translation.
- 19M.1A.HL.TZ2.14: What applies to DNA base sequences? I. Some genes do not code for proteins. II. Promoters are...
-
19M.2.HL.TZ2.2a.iii:
DNA has regions that do not code for proteins. State two functions of these regions.
1.
2.
-
19M.2.HL.TZ2.a.iii:
DNA has regions that do not code for proteins. State two functions of these regions.
1.
2.
- 22N.2.HL.TZ0.4c.ii: Identify Y, non-coding DNA at the start of a gene.
- 22N.2.HL.TZ0.c.ii: Identify Y, non-coding DNA at the start of a gene.
- SPM.1A.HL.TZ0.10: Which are examples of non-coding DNA? A. Dominant and recessive alleles B. Promoters and...
- 23M.1A.HL.TZ2.23: What happens to an RNA molecule in eukaryotes after transcription in order to process it into...
D1.2.15. Post-transcriptional modification in eukaryotic cells
- 22M.1A.HL.TZ1.27: During modification in eukaryotes, mRNA is spliced. What is splicing of mRNA? A. Separation of...
- 19M.1A.HL.TZ2.14: What applies to DNA base sequences? I. Some genes do not code for proteins. II. Promoters are...
- 21M.1A.HL.TZ1.26: Which regions of DNA code for the production of specific proteins? A. Telomeres B. Genes for...
- 23M.1A.HL.TZ2.23: What happens to an RNA molecule in eukaryotes after transcription in order to process it into...
- 23M.1A.SL.TZ2.25: The graph shows the energy changes during a chemical reaction. The horizontal lines represent the...
- 22M.1A.HL.TZ1.27: During modification in eukaryotes, mRNA is spliced. What is splicing of mRNA? A. Separation of...
- 22M.1A.HL.TZ1.27: During modification in eukaryotes, mRNA is spliced. What is splicing of mRNA? A. Separation of...
- 22M.1A.HL.TZ1.27: During modification in eukaryotes, mRNA is spliced. What is splicing of mRNA? A. Separation of...
- 22M.1A.HL.TZ1.27: During modification in eukaryotes, mRNA is spliced. What is splicing of mRNA? A. Separation of...
- 22M.1A.HL.TZ1.27: During modification in eukaryotes, mRNA is spliced. What is splicing of mRNA? A. Separation of...
- 19M.1A.HL.TZ2.14: What applies to DNA base sequences? I. Some genes do not code for proteins. II. Promoters are...
- 21M.1A.HL.TZ1.26: Which regions of DNA code for the production of specific proteins? A. Telomeres B. Genes for...
- 23M.1A.HL.TZ2.23: What happens to an RNA molecule in eukaryotes after transcription in order to process it into...
- 23M.1A.SL.TZ2.25: The graph shows the energy changes during a chemical reaction. The horizontal lines represent the...
D1.2.16. Alternative splicing of exons to produce variants of a protein from a single gene
-
19M.1A.SL.TZ1.27:
The diagram shows the arrangement of introns and exons in a segment of pre-mRNA. Pre-mRNA is immature mRNA containing introns and exons.
Which is a mature mRNA molecule derived from the pre-mRNA by splicing?
[Source: © International Baccalaureate Organization 2019]
-
19M.1A.SL.TZ1.27:
The diagram shows the arrangement of introns and exons in a segment of pre-mRNA. Pre-mRNA is immature mRNA containing introns and exons.
Which is a mature mRNA molecule derived from the pre-mRNA by splicing?
[Source: © International Baccalaureate Organization 2019]
D1.2.17. Initiation of translation
- 21M.1A.HL.TZ2.28: The mRNA codon UAC codes for the amino acid tyrosine. Which tRNA carries tyrosine?
-
22N.1A.HL.TZ0.27:
The diagram illustrates some of the processes involved in DNA replication.
[Source: Rohrmann, G., 2019. AcMNPV DNA replication. [diagram online] Available at:
https://www.ncbi.nlm.nih.gov/books/NBK543453/figure/ch05.F1/ [Accessed 26 October 2021].]What is shown in the diagram?
A. DNA polymerase bonding nucleotides in a 3’ to 5’ direction
B. Single-stranded DNA-binding proteins on the old strands
C. Gyrase reforming the double helix
D. DNA ligase joining Okazaki fragments in the leading strand
- 22N.1A.HL.TZ0.28: The diagram shows a ribosome and associated mRNA Which of these events occurs first in...
- 21M.1A.HL.TZ2.28: The mRNA codon UAC codes for the amino acid tyrosine. Which tRNA carries tyrosine?
-
22N.1A.HL.TZ0.27:
The diagram illustrates some of the processes involved in DNA replication.
[Source: Rohrmann, G., 2019. AcMNPV DNA replication. [diagram online] Available at:
https://www.ncbi.nlm.nih.gov/books/NBK543453/figure/ch05.F1/ [Accessed 26 October 2021].]What is shown in the diagram?
A. DNA polymerase bonding nucleotides in a 3’ to 5’ direction
B. Single-stranded DNA-binding proteins on the old strands
C. Gyrase reforming the double helix
D. DNA ligase joining Okazaki fragments in the leading strand
- 22N.1A.HL.TZ0.28: The diagram shows a ribosome and associated mRNA Which of these events occurs first in...