Multiple Choice
In a muscle contraction, the sarcomere shortens when ____.
A) the myosin heads move in opposite directions
B) the myosin heads move towards each other
C) the actin filaments move in opposite directions
D) the actin-myosin cross-bridge disconnects
E) ATP is formed from ADP and Pi
Correct Answer:
Verified
Correct Answer:
Verified
Q1: All components of a muscle have _
Q43: The two tendons of the upper portion
Q67: Osteoarthritis is more common in older adults
Q73: Gibbons are able to swing through the
Q87: Match characteristics associated with muscle fibers to
Q88: In a muscle contraction, calcium _.<br>A) causes
Q89: Match the labeled structures in the figure
Q95: Match the labeled structures in the figure
Q96: The following statements describe characteristics associated with
Q97: Match characteristics associated with muscle fibers to