Which of the following statements are correct regarding skeletal muscle?
(A) Muscle bundles are held together by collagenous connective tissue layer called fascicle.
(B) Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions.
(C) Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.
(D) Z line is found in the centre of sarcomere.
(E) They are not under the voluntary control of nervous system.
Choose the most appropriate answer from the options given below.

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C and D only

A, B and C only

B and C only

B, C and E only

answer is C.

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Detailed Solution

Skeletal muscles are voluntary.

Sarcoplasmic reticulum of muscle fiber is a store house of calcium ions.

Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.

Muscle bundles are held together by collagenous connective tissue layer called fascia.

M line is found in the centre of sarcomere.

They are under the voluntary control of nervous system.

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