The rate at which evolution is occurring cannot be estimated by:
A. inferring that apes are related to humans.
B. studying comparative anatomy.
C. interpretation of the fossil record.
D. measuring the degree of difference in genetic coding.
Answer: A
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Jalapeño peppers contain the chemical capsaicin. If you lack the nociceptors that bind capsaicin, what
would be the predicted outcome?
a. You would be especially sensitive to spicy foods containing capsaicin. b. You would be able to eat foods containing high concentrations of capsaicin and not feel any burning in your mouth. c. You would have the same sensitivity to capsaicin as most other people. d. You would experience a feeling of cold when eating foods containing capsaicin. e. You would be more easily addicted to capsaicin-containing foods than normal individuals.
The gaseous plant hormone is
a. auxin. b. gibberellin. c. cytokinin. d. abscisic acid. e. ethylene.
The name of the process that takes place when organic compounds are broken down in the absence of oxygen is
A.) respiration. B.) oxidation. C.) fermentation. D.) photosynthesis.
The prion disease associated with cannibalism is
a) sheep scrapie. b) kuru. c) mad cow disease. d) chronic wasting disease.