In glycolysis, each molecule of glucose that is catabolized gives a net yield of how many molecules of ATP?
A) 2
B) 4
C) 30
D) 36
E) 38
A
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Cell membranes are said to be ________ because they allow some substances to pass but not others
A) impermeable B) doubly amphipathic C) hydrophilic D) selectively permeable E) hydrophobic
Compared to the primary bronchi, the secondary and tertiary bronchi have
A) more cartilage. B) less smooth muscle. C) more smooth muscle. D) less cartilage. E) both less cartilage and more smooth muscle.
Cross bridges
a. bind to actin during muscle contraction b. are globular heads made of myosin c. do not bend during muscle contraction d. have characteristics a and b e. have characteristics b and c
The type of muscle fiber that is most resistant to fatigue is the ________ fiber
A) fast B) slow C) intermediate D) anaerobic E) high-density