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Distinguish between : (a) A-band and I-band


(a) A-band

I-band

1.Anisotropic band

Isotropic band.

2. Dark in appearance and hence also called dark band.

Light in appearance and hence called light band.

3. It contains myosin.

It contains actin . 

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Draw diagram of pectoral girdle, bones of fore limb, pelvic girdle and bones of hind limb of man.

Describe the structure of actin filament.

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