First slide

Muscle

Question

The I-band of a skeletal myofibril contains

Easy

A

actin, tropomyosin and meromyosin
B

actin, tropomyosin and troponin
C

meromyosin, tropomyosin and troponin
D

actin, troponin and meromyosin.

Solution

I-band consists of thin filaments made up of actin, troponin and tropomyosin. Meromyosin forms the thick filaments present in the thin filaments.

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