Cholesterol is a
A. carbohydrate.
B. component of DNA.
C. precursor of steroid hormones.
D. vitamin.
E. precursor of bile pigments.
Answer: C
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a. two b. three c. four d. five e. six
What component allows semen to temporarily coagulate, preventing it from leaking back out of the female reproductive tract, once ejaculated?
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Explain the decrease in PO2 from the pulmonary venules to the blood arriving in the peripheral capillaries of the systemic circuit
What will be an ideal response?
Which type of receptor responds to pressure changes in liquids and gases?
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