| Date | May 2010 | Marks available | 1 | Reference code | 10M.1.SL.TZ1.10 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Identify | Question number | 10 | Adapted from | N/A |
Question
The diagram below shows a biochemical pathway in a yeast cell. Which of the following correctly identifies a compound in the diagram?
A. I is fat.
B. II is pyruvate.
C. III is lactate.
D. IV is carbon dioxide.
Markscheme
B
Examiners report
There were some comments on this question. The diagram is quite clear, but the fact that this is occurring in humans can be easily missed. This question was however, a very good discriminator.
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