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How many out of the following feature(s)...

How many out of the following feature(s) is/are common between skeletal and cardiac muscle fibres?
(a) Presence of 'T-tubules
(b) Number of nuclei per fibre
(c) Intercalated discs
(d) Presence of striations
(e) Cylindrical shape of fibres
(f) Only aerobic contractions

A

(a) Three

B

(b) Four

C

(c) One

D

(d) Two

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