Question

Which of the following statements are true about myosin?
I. Myosin is made of meromyosin.
II. Each meromyosin has two parts - HMM and LMM
III. The tail is the light meromyosin i.e. LMM
IV. The head with short arm is heavy meromyosin i.e. HMM

• A. III
• B. I and II
• C. I, II, III and IV
• D. IV

Answer 1

The correct option is C I, II, III and IV

The myosin molecule is made up of meromyosin. Each meromyosin has two parts,
i. a globular head with a short arm, known as the heavy meromyosin (HMM)
ii. a tail or the light meromyosin (LMM).