Question

In the centre of each ___________ (C) is an elastic fibre called ________ (A) which bisects it. The thin filaments are firmly attached to the _________ (A). The thick filaments in the ________ (B) are also held together in the middle of this band by a thin fibrous membrane called ___________ . The ______ (B) and _______ (C) are arranged alternately throughout the length of the myofibrils.

Answer 1

C) I-band

A)Z-line

A) A-band

M-band

C)A and I bands

Answer 2

Answer in Detail:-
Step wise Explanation:-

In the centre of each ___________ (C) is an elastic fibre called ________ (A) which bisects it. The thin filaments are firmly attached to the _________ (A). The thick filaments in the ________ (B) are also held together in the middle of this band by a thin fibrous membrane called ___________ . The ______ (B) and _______ (C) are arranged alternately throughout the length of the myofibrils.


(1) ‘I’ band,
(2)‘Z’ line,
(3)‘Z’ line,
(4)‘A’ band ,
(5) ‘M’ line,
(6) ‘A’ band and
(7)‘I’ band 


I hope it helps you.
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