A karyotype shows the ________ chromosomes sorted and isolated from a cell in ________.
A. 46; S phase
B. 46; metaphase
C. 46; prophase
D. 23; interphase
E. 23; metaphase
Answer: B
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The portion of the corpus cavernosa is imbedded into the pelvic wall to provide attachment for the penis is the:
a. bulb b. crus c. prepuce d. fossa navicularis
Most of the primordial follicles a woman is born with eventually are ovulated
Indicate whether the statement is true or false.
Select the correct statement regarding skin functions.
A. When body temperature is higher than normal, blood flow to the skin is increased. B. Aging is usually associated with increased melanin production. C. The primary function of perspiration is to remove waste materials from the blood. D. A decrease in blood flow to the skin is associated with a feeling of warmth.
Which of the following is an accurate comparison of skeletal muscle to smooth muscle?
A. Smooth muscle contracts more slowly but relaxes more rapidly. B. Smooth muscle depends on a nerve fiber to supply the calcium needed for contraction. C. Smooth muscle contracts and relaxes more slowly. D. Smooth muscle consumes more ATP to maintain a given level of muscle tension. E. Smooth muscle contracts more rapidly but relaxes more slowly.