ï»¿ Briefly describe the structure of meromyosin. from Biology Locomotion and Movement Class 11 Assam Board

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Briefly describe the structure of meromyosin.

Meromyosin is made up of two partsÂ

i. A globularÂ head with a short arm - It is calledÂ the heavyÂ meromyosin (HMM). The head and short arm projects outwards at regularÂ distance and angle from each other from the surface of a polymerised myosinÂ filament and is known as cross arm.Â The globular head is an active ATPaseÂ enzyme and has binding sites for ATP and active sites for actin.

ii A tail. isÂ Â the light meromyosin (LMM).

Â

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