DP Biology (last assessment 2024)
Question 19N.3.SL.TZ0.a
Date | November 2019 | Marks available | [Maximum mark: 1] | Reference code | 19N.3.SL.TZ0.a |
Level | SL | Paper | 3 | Time zone | TZ0 |
Command term | Identify | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 1]
19N.3.SL.TZ0.a
A sequence of DNA is translated in a continuous reading frame without spaces. Each triplet of nucleotides corresponds to successive amino acids in a polypeptide. The sequence given shows part of one strand of a DNA molecule.
Identify the first triplets of each possible reading frame for this piece of DNA.
[1]
Markscheme
AAT and ATG and TGC
OR
ATG and TGC and GCG ✔
All three triplets required.
