| Date | May 2009 | Marks available | 1 | Reference code | 09M.1.HL.TZ1.28 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 28 | Adapted from | N/A |
Question
In the mitochondrial electron transport chain, what is the last electron acceptor?
A. CO2
B. H2O
C. O2
D. NAD
Markscheme
C
Examiners report
N/A
Syllabus sections
Additional higher level » Topic 8: Metabolism, cell respiration and photosynthesis » 8.2 Cell respiration
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