Multiple Choice
Which of the following describes the role of myosin in muscle contraction?
A) ATP forms a bridge binding actin to myosin.
B) Actin heads bend when attached to myosin.
C) Calcium ions form a bridge, moving actin along myosin.
D) Myosin heads bend when attached to actin.
E) Myosin synthesizes new strands of actin, lengthening the muscle.
Correct Answer:

Verified
Correct Answer:
Verified
Q5: A sprain is a stretched or torn<br>A)
Q46: After a muscle cell contracts,which of the
Q47: The long bones of the human body
Q48: Greater force of contraction comes when<br>A) more
Q49: Connective tissue of the musculoskeletal system includes<br>A)
Q50: Tendons connect _ to _.<br>A) muscle; bone<br>B)
Q52: Which are functions of the vertebrate skeleton?<br>A)
Q54: Bones have blood vessels attached to their
Q55: Without its endoskeleton,the vertebrate body would be
Q56: An individual skeletal muscle is defined as