DP Biology (last assessment 2024)

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Question 23M.1.SL.TZ2.8

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1.SL.TZ2.8
Level SL Paper 1 Time zone TZ2
Command term Question number 8 Adapted from N/A
8.
[Maximum mark: 1]
23M.1.SL.TZ2.8

What is the proteome of an individual?


A.  The amino acids unique to an individual making up the proteins in cells

B.  The way in which an individual’s polypeptides are folded into a three-dimensional structure

C.  The proteins synthesized as an expression of an individual’s genes

D.  All possible combinations of amino acids an individual contains

[1]

Markscheme

C

Examiners report

Many candidates had difficulty defining a proteome and the question discriminated badly with many candidates incorrectly choosing "All possible combinations of amino acids an individual contains" as their response.

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