A knockout mouse is one with:
a. A gene that has been disabled or altered
b. A gene from another species spliced into its DNA
c. A functioning mutation
d. All of the above
A
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The receptors for smell are called:
a. olfactory cells c. ossicles b. Pacinian corpuscles d. taste buds
Which of the following is the best example of negative reinforcement?
a. being put in jail for driving while drunk b. not being allowed to go to the movies on Saturday night c. a spanking for bad behavior d. elimination of pain after taking an aspirin
With adequate prenatal care, the risk of bearing a premature or unhealthy baby in a mother's 40s is:
a. relatively small. c. relatively high. b. not a risk at all. d. very high.
Who is known for the studyof classical conditioning?
A) Tolman B) Skinner C) Pavlov D) Watson