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