Multiple Choice
Which of the following causes a muscle cell to contract?
A) Actin and myosin break down.
B) Actin heads attached to myosin bend.
C) Calcium ions form a bridge binding actin to myosin.
D) ATP forms a bridge binding actin to myosin.
E) Myosin heads attached to actin bend.
Correct Answer:

Verified
Correct Answer:
Verified
Q16: Each myofibril consists of two types of
Q17: If a growth plate is damaged before
Q25: Which of the following describes the role
Q27: When blood calcium is high which of
Q27: Connective tissue of the musculoskeletal system includes<br>A)
Q29: You are trying out for the USA
Q33: In the section "Investigating Life: Did a
Q34: The type of skeleton that is an
Q35: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6602/.jpg" alt=" -What letter in
Q59: The endoskeleton functions in<br>A) production of blood