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NEET 2022
Exam
NEET
Year
2022
Subject
Zoology
Chapter
Locomotion and Movement

NEET 2022 · Zoology · Locomotion and Movement

According to the sliding filament theory:

According to the sliding filament theory:

Options

  1. AActin and myosin filaments slide over each other to increase the length of the sarcomere.
  2. BLength of A-band does not change.
  3. CI-band increases in length
  4. DThe actin filaments slide away from A-band resulting in shortening of sarcomere.

Correct answer

B. Length of A-band does not change.

Step-by-step solution

According to Sliding filament theory, thin. Filament slide over Thick filament (mainly myosin). That is why the length of A\mathrm{A} band does not change as A band is made up of thick filament.
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