| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.HL.TZ2.27 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 27 | Adapted from | N/A |
Question
The images below show muscle tissue.
Which image shows contracted muscle tissue?
A. I because the dark band is narrower.
B. II because the Z lines are closer together.
C. II because there is less overlap between actin and myosin.
D. I because the dark bands are darker.
Markscheme
B
Examiners report
N/A
Syllabus sections
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