Zoology-Muscle Contraction
NEET Zoology Muscle Contraction MCQ Question
Type: MCQ-diagram based-Hard-Class 11
A diagram shows a sarcomere with labeled bands and lines. Which structure is responsible for holding thick filaments together in the center of the A band?
A
M line
B
Z line
C
I band
D
T line
Correct Answer
Option A
Detailed Explanation
The M line is a thin fibrous membrane that holds thick filaments together in the middle of the A band, as described in the NCERT context.
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