DP Biology (first assessment 2025)

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Question 22N.2.HL.TZ0.4c.ii

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.2.HL.TZ0.4c.ii
Level HL Paper 2 Time zone TZ0
Command term Identify Question number c.ii Adapted from N/A
c.ii.
[Maximum mark: 1]
22N.2.HL.TZ0.4c.ii
(c.ii)

Identify Y, non-coding DNA at the start of a gene.

[1]

Markscheme

promoter;

Examiners report

Fewer candidates knew that Y must be the promoter. This could be deduced from the diagram which showed that Y is the site to which RNA polymerase first binds. Other incorrect suggestions were primer, intron, start codon and telomere.

Syllabus sections