One reason for the increase in the rate of skin cancer is
a. increased exposure to ultraviolet radiation.
b. water pollution.
c. food additives.
d. preservatives.
e. air pollution.
A
Biology & Microbiology
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The latent form of a bacteriophage genome that exists when a phage establishes lysogeny is called a ________.
A. lysogen B. viroid C. prophage D. prion
Biology & Microbiology
True or False: Intrasexual selection includes physical competition among males, whereas intersexual selection involves advertisement displays
A. true B. false
Biology & Microbiology
After sperm leave the epididymis, what structure do they enter next?
Biology & Microbiology
Imagine you are a family physician. You see an 18-year-old with a lower-than-normal body weight and teeth that have been eroded by acid. Your diagnosis is
A) pancreatitis. B) ulcer of the small intestine. C) bulimia. D) anorexia. E) liver failure.
Biology & Microbiology