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.

Question

( a ) ‘I’ band, ‘Z’ line; ‘Z’ line ; ‘A’ band , ‘H’ zone; ‘A’ band and ‘I’ band
( b ) ‘I’ band, ‘Z’ line; ‘Z’ line ; ‘A’ band , ‘M’ line; ‘A’ band and ‘I’ band
( c ) ‘A’ band, ‘Z’ line; ‘Z’ line ; ‘I’ band , ‘M’ line; ‘I’ band and ‘A’ band
( d ) ‘A’ band, ‘Z’ line; ‘Z’ line ; ‘I’ band , ‘H’ zone; ‘I’ band and ‘A’ band