CAIE A-Level Biology A2 15.1.11 Striated Muscle Ultrastructure Questions
Explain striated muscle ultrastructure using evidence from each question and mark scheme.
- Syllabus
- 2028–2030
- Course
- Biology 9700
- Level
- A2
Explain striated muscle ultrastructure using evidence from each question and mark scheme.
Fig. 9.1 is a diagram of a relaxed sarcomere in striated muscle.
Fig. 9.1
On Fig. 9.1, use label lines and letters to label:
- an actin filament with the letter P
- a myosin filament with the letter R.
P pointing to thin filament ;
R pointing to thick filament ;