| Date | November 2009 | Marks available | 1 | Reference code | 09N.1.HL.TZ0.38 |
| Level | Higher level | Paper | Paper 1 | Time zone | TZ0 |
| Command term | Question number | 38 | Adapted from | N/A |
Question
What happens during muscle contraction?
A. The number of light bands is reduced.
B. The width of the dark bands is reduced.
C. The lengths of the sarcomeres are reduced.
D. Actin and myosin filaments coil up.
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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