DP Biology (first assessment 2025)

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Question 19M.1B.SL.TZ2.b.i

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.1B.SL.TZ2.b.i
Level SL Paper 1B Time zone TZ2
Command term Label Question number b.i Adapted from N/A
b.i.
[Maximum mark: 1]
19M.1B.SL.TZ2.b.i

Label the model A diagram to show a region of protein.

[1]

Markscheme

[Source: diagram from article published in The American Journal of Pathology, 65, J Singer and G Nicolson, The structure and chemistry of mammalian cell membranes, 427–437, Copyright Elsevier (1971)]

Accept label to top protein.

Examiners report

Most students could label the areas with protein and phospholipid.

Syllabus sections