A gamete __________
A) contains 46 chromosomes
B) is formed through mitosis
C) contains 23 chromosomes
D) is formed when the chromosomes copy themselves
Answer: C
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The electrical charge that exists between the inside and the outside of a neuron when the neuron is neither receiving nor sending is approximately
a. -1,000 millivolts. b. +60 to +70 millivolts. c. -60 to -70 millivolts. d. +1,000 millivolts.
Adolescents are more at risk for STIs than older age groups because they are more likely to engage in unsafe sex. The variable correlating most strongly with unsafe sex is _____
a. the age at which sexual activity begins b. the use of condoms c. whether teens engage in oral sex d. poor progress in school
According to learning theorists, enuresis occurs most commonly in children ______
a. whose parents attempted to train them early b. who just gained a baby brother or sister c. whose parents are divorcing d. who have deep-seated hostility toward their parents
Projective tests such as the Rorschach inkblot test have been criticized because
A) their scoring system is too rigid and leads to unfair labeling. B) they were standardized with unrepresentative samples. C) they have low reliability and low validity. D) it is easy for people to fake answers in order to appear healthy.