DP Biology (last assessment 2024)
Question 18M.2.SL.TZ1.c
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.2.SL.TZ1.c |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | State | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 2]
18M.2.SL.TZ1.c
State two structural features that differ between RNA and DNA.
[2]
Markscheme
a. number of strands
OR
(usually) only one strand in RNA/two strands in DNA
b. base composition
OR
uracil only in RNA / thymine only in DNA
c. type of pentose
OR
ribose only in RNA / deoxyribose only in DNA
