For a sprint lasting 60 seconds, ATP is supplied primarily by
A. aerobic respiration only.
B. phosphate transfer and glycolysis.
C. conversion of lactate to pyruvate.
D.
phosphate transfer only.
B
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As blood travels through the venous system toward the heart, why do the veins become larger in diameter?
A) The transition causes the resistance to increase further so that the flow rate of blood increases. B) The transition causes the resistance to decrease further so that the flow rate of blood increases. C) The transition causes the resistance to decrease further so that the flow rate of blood decreases. D) The transition causes the resistance to increase further so that the flow rate of blood decreases. E) The transition reflects no change in the resistance, but causes the flow rate of blood to increase.
Neurons that have one axon and one dendrite with the cell body between them are called
A) polypolar. B) unipolar. C) bipolar. D) tripolar. E) multipolar.
Which plasma protein is a major contributor to the osmotic pressure of plasma?
A) fibrinogen B) steroid-binding protein C) hormone-binding protein D) albumin E) gamma globulin
Male pattern baldness occurs when terminal hairs on the head are replaced by ________.
Fill in the blank(s) with the appropriate word(s).