According to the sliding filament theory, which of the following changes occur in a…

Biology · NEET · NTA ExamsLocomotion and Movement

According to the sliding filament theory, which of the following changes occur in a sarcomere during maximal muscle contraction?

I. The A band shortens.
II. The I band narrows or disappears.
III. The H zone becomes less distinct or vanishes.
IV. The Z lines move closer together.
V. The length of the thick (myosin) filaments decreases.

Choose the correct answer from the options given below:

  1. I, III and V only
  2. I, II and IV only
  3. III, IV and V only
  4. II, III and IV only

Answer

(D) II, III and IV only

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

More Locomotion and Movement questions · Browse all practice questions