A cross bridge is the binding of which two proteins?
A)actin and myosin
B)actin and troponin
C)myosin and troponin
D)collagen and troponin
E)myosin and collagen

Question

Quizplus · Accepted Answer

A cross bridge is the binding of the contractile proteins actin and myosin in muscle cells. This binding allows for the sliding of actin filaments along myosin filaments, leading to muscle contraction.

A Cross Bridge Is the Binding of Which Two Proteins