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Date November 2011 Marks available 1 Reference code 11N.1.HL.TZ0.4
Level Higher level Paper Paper 1 Time zone TZ0
Command term Question number 4 Adapted from N/A

Question

What is phosphorus used for in plant cells?

A. Structure of hemoglobin
B. Composition of long-term energy storage
C. Positive charge of membranes
D. Composition of nucleic acids

Markscheme

D

Examiners report

N/A

Syllabus sections

Core » Topic 2: Molecular biology » 2.1 Molecules to metabolism
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