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nika2105 [10]
4 years ago
5

In skeletal muscle, the area that is composed only of both thick and thin filaments is the

Biology
1 answer:
Angelina_Jolie [31]4 years ago
8 0

Answer:

A-Band

Explanation:

Sarcomere is the basic unit of skeletal muscle and shows various striations under the microscope.

Anisotropic band or A-Band is the portion of sarcomere that contains both the thick and thin filaments . A-Band appaers dark under the microscope. Thick filaments are consist of actin and thin filaments consists of myosin.

I-Band contains only thin filaments of myosin. H- zone contains only thick filaments and no thin filament. Sarcomere is the unit of a skeletal muscle. Synapse is the junction between two neurons.

Thus, the correct answer is option (A).

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