Ques. 1AIPMT 2001
What is sarcomere?
- Part between two H-lines
- Part between two A-lines
- Part between two I-bands
- Part between two Z-lines
Answer
(4) Part between two Z-lines
Solution
As per NCERT, the portion of the myofibril between two successive Z-lines is the functional unit of contraction and is called a sarcomere.
Answer: (4)