Given below is the figure of a sarcomere...

Given below is the figure of a sarcomere. Identify the parts labelled as A to D and select the correct option.

A

A- Elastic fibre that bisects I-band
B-Width of this band reduces during muscle contraction

B

B-Constits of myosin filaments
C- Width of this band remains same during muscle contraction

C

C-Light band that contains actin filaments
D- Don't exist when the sacromere get contracted maximally

D

A-Z - line to which thin filaments are firmly attached
D-H - zone which can be seen in a maximally contracted muscle fibre also

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