DP Biology (first assessment 2025)
Question 23M.1A.SL.TZ2.9
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1A.SL.TZ2.9 |
Level | SL | Paper | 1A | Time zone | TZ2 |
Command term | Question number | 9 | Adapted from | N/A |
9.
[Maximum mark: 1]
23M.1A.SL.TZ2.9
The anticodons of three tRNAs and the amino acids they carry are shown in the table.
tRNA anticodon | Amino acid |
GCA | Arginine |
AAU | Leucine |
CAG | Valine |
Which base sequence of an mRNA molecule would code for an arginine–leucine–valine tripeptide?
A. GCA AAU CAG
B. GCA AAT CAG
C. CGT TTA GTC
D. CGU UUA GUC
[1]
Markscheme
D