| Date | November 2015 | Marks available | 1 | Reference code | 15N.1.HL.TZ0.3 |
| Level | Higher 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
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