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NEETZoologyLocomotion and Movement

Read the following statements and choose the follwoing option: 1. LMM is the head part of meromyosin 2. Muscle fibres lack contractility 3. HMM is also known as cross arm. 4. The globular head is an active GTPase enzyme and has binding sites for ATP and active sites for actin.

Options

  1. AOnly 4 is correct
  2. BAll are correct
  3. CAll are incorrect
  4. DOnly 3 is correct

Correct answer

D. Only 3 is correct

Step-by-step solution

The HMM component, i.e.; the head and short arm projects outwards at regular distance and angle from each other from the surface of a polymerised myosin filament and is known as cross arm.

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