In a relaxed fibril, H-zone, a lighter region of low density can be seen in the centre of

Options

(a) Anisotropic or A-band
(b) Isotropic or I-band
(c) Z-band
(d) Both in A and I-band

Correct Answer:

Anisotropic or A-band

Explanation:

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