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Date November 2015 Marks available 1 Reference code 15N.1.SL.TZ0.3
Level Standard level Paper Paper 1 Time zone TZ0
Command term Question number 3 Adapted from N/A

Question

Animal cells often secrete glycoproteins as extracellular components. What is a role of these glycoproteins?

A. Adhesion

B. Additional energy reserve

C. Membrane fluidity

D. Water uptake

Markscheme

A

Examiners report

This question was answered well by half the candidates and the discrimination index was very high, this means that capable candidates studied the extracellular function of glycoproteins well.

Syllabus sections

Core » Topic 1: Cell biology » 1.2 Ultrastructure of cells
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