NEET Zoology Muscle Contraction MCQ Question
If a sarcomere shortens by 1 micrometer during muscle contraction, how much will 10 consecutive sarcomeres in a myofibril shorten in total?
10 micrometers
5 micrometers
20 micrometers
1 micrometer
Correct Answer
Detailed Explanation
A sarcomere is the functional unit of contraction. If one sarcomere shortens by 1 micrometer, then 10 sarcomeres will shorten by 10 micrometers in total.
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