Question

Muscle contraction occurs due to a series of specific steps that take place within the body. Which of the following steps does not occur in muscle contraction according to the sliding filament model?
a.
Myosin and actin filaments come near each other.
b.
Myosin filaments form cross-bridges with actin filaments.
c.
Cross-bridges pull the two filaments past each other.
d.
Actin filaments return to their original positions.

Answer 1

Answer:

Actin filaments return to their original positions (does not occur in muscle contraction, according to the sliding filament model).

Explanation: