What are the proximate causes that underlie an animal’s ability to detect and respond to stimuli?
a. only physiological mechanisms
b. only genetic mechanisms
c. genetic and physiological mechanisms
d. genetic, cellular, physiological, and anatomical mechanisms
e. genetic, physiological, and anatomical mechanisms
ANSWER: d
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Which of the following manifests itself in three clinical stages?
A. gonorrhea B. syphilis C. trachoma D. non-gonococcal urethritis
Transfer of random pieces of DNA mediated by phage is known as
A. transformation of competent cells. B. generalized transduction. C. conjugation. D. transposition. E. specialized transduction.
One of the first uses of DNA fingerprinting was in ________ medicine.
Fill in the blank(s) with the appropriate word(s).
___________________ structures are similar in function and appearance, but do not originate from a common ancestor.
A. Vestigial B. Homologous C. Analogous D. None of the above