What are the three glands that produce the liquid portion of semen?
A. seminal vesicles; hypothalamus; bulbourethral
B. hypothalamus; prostate; Leydig
C. prostate; seminal vesicles; bulbourethral
D. seminal vesicle; Leydig; hypothalamus
E. Leydig; prostate; bulbourethral
Answer: C
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Cell walls are not typically possessed by ________.
A. protozoa B. bacteria C. algae D. fungi
When Ellison and Gotelli manipulated concentrations of nutrients available to pitcher plants, what was the independent variable?
A. number of insects fed to each plant
B. ratio of the pitcher opening to pitcher length
C. ratio of the keel width to total width
D. amount of nitrogen or phosphorus added to the pitcher of each plant
E. amount of nitrogen or phosphorus added to the roots of each plant
The cell bodies of motor neurons are located
A) in the forebrain. B) in the gray matter of the spinal cord. C) next to the sensory receptors. D) in the muscles. E) outside the spinal cord.
The ability of certain bacterial cells to take on different cell shapes is known as
A) meiosis. B) pleomorphic. C) pallidic. D) pyloric. E) fission.