In a relaxed fibril, H-zone, a lighter region of low density can be seen in the centre of
" " Or
The dark bands (Black bands) of a skeletal muscle are known as

Options

A. Anisotropic or A-band
B. Isotropic or I-band
C. Z-band
D. Both in A and I-band

Answer

A

Explanation

A-band has its middle a light zone called H-zone.