Multiple Choice
If calcium is not present in the muscle cell what complications can occur in regards to muscle contraction?
A) Tropomyosin will not be pulled away from the myosin binding sites.
B) Myosin heads will not bind to the actin filament.
C) The power stroke will not be produced preventing the actin filament from moving.
D) All of these are complications resulting from a lack of calcium.
Correct Answer:

Verified
Correct Answer:
Verified
Q22: Which of the following organisms lack a
Q23: Which of the following hormones stimulate osteoblasts
Q25: Which of the following statements about the
Q26: What molecule is used to anaerobically regenerate
Q28: Which of the following is NOT an
Q29: _ are bone-absorbing cells and _ are
Q30: Which of the following associations of term
Q31: The system of flexing and extending muscles
Q32: What are the correct steps of muscle
Q34: Actin and myosin filaments are both present