Which of the following is true for actin?
A) Portions of the actin molecule bend and move along myosin molecules.
B) Actin binds to myosin.
C) Actin uses up calcium ions.
D) Actin conducts the nerve impulse to the muscle cell.
Correct Answer:
Verified
Q35: The pitch of sound is determined by
Q36: Low-pitched, long-wavelength sounds are distinguished by stimulating
A)
Q37: The sense of touch
A) is evenly distributed
Q38: Which of the following kinds of receptors
Q39: Muscles are in antagonistic sets because
A) muscles
Q41: Calcium ions are involved in muscle contraction
Q42: Muscle cells shorten because
A) they get bigger
Q43: Which of the following muscles is under
Q44: In a muscle organ like the biceps
Q45: Smooth muscle
A) can stay contracted for long
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