DP Biology (last assessment 2024)

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Question 22N.2.HL.TZ0.4a

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

The diagram shows a nucleosome from the nucleus of a eukaryotic cell.

[Source: Weissman Lab at UCSF. UCSF Team Views Genome as it Turns On and Off Inside Cells. [diagram online]
Available at https://www.ucsf.edu/news/2011/01/98118/ucsf-team-views-genome-it-turns-and-inside-cells
[Accessed 1 December 2022].]

(a)

Identify the protein labelled in the diagram.

[1]

Markscheme

histone;

Examiners report

Nearly all candidates know that the proteins in nucleosomes are histones.

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