Given below is the figure of a sarcomere. Identify the parts labelled as A to D and select the correct option
A B C D
A-band Z-line H-zone I-band
A B C D
A-band H-line Z-zone I-band
A B C D
I-band H-line Z-zone A-band
A B C D
I-band Z-line H-zone A-band
As we learned
Muscle Bands -
Actin and myosin filament do not shorten but rather slide pass each other.
I-Band (Isotropic) - Has only active filaments
A Band (Anisotropic) - Has both actin and myosin filament
H Band - Has only myosin filaments
Z Band - A line (membrane) to which acting filaments are attached.
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