Multiple Choice
Which of the following causes a muscle cell to contract?
A) Actin and myosin break down
B) The bending of actin heads attached to myosin
C) Calcium ions form a bridge binding actin to myosin
D) ATP forms a bridge binding actin to myosin
E) The bending of myosin heads attached to actin
Correct Answer:
Verified
Correct Answer:
Verified
Q49: Blood calcium levels are regulated by hormones
Q50: The interaction of both the muscular system
Q50: Which of the following is not a
Q51: Which of the following is not a
Q52: An area where two bones meet is
Q55: A condition in which bones become less
Q56: What do the researchers propose as the
Q57: A bedridden person is at risk of
Q58: Which of the following is not a
Q59: A sprain is a stretched or torn:<br>A)Ligament<br>B)Tendon<br>C)Muscle<br>D)Neuron<br>E)Vein