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Question 19N.3.HL.TZ0.9a

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.3.HL.TZ0.9a
Level HL Paper 3 Time zone TZ0
Command term Identify Question number a Adapted from N/A
a.
[Maximum mark: 1]
19N.3.HL.TZ0.9a

The figure represents a section of DNA.

(a)

Identify the first triplet of nucleotides of each of the three reading frames in the 5’ to 3’ direction.

[1]

Markscheme

«frame 1 =» ATG

«frame 2 =» TGC ✔

«frame 3 =» GCC

All three required.
Order of frames is not relevant.
Do not accept RNA, e.g. AUG.