KCET · BIOLOGY · STD 11 - 17. Locomotion and Movement
The functional unit of contraction is a
- A Portion of myofibril between two successive Z-lines
- B Portion of myofibril between two successive M-lines
- C Centre of the H-zone
- D Centre of the I-band
Answer & Solution
Correct Answer
(A) Portion of myofibril between two successive Z-lines
Step-by-step Solution
Detailed explanation
(A) Portion of myofibril between two successive Z-lines,
Functional unit of contraction is called sarcomere which is the portion between two successive Z-lines.
Functional unit of contraction is called sarcomere which is the portion between two successive Z-lines.
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