A period of physical changes leading to sexual maturity is called ____.?
a. ?adolescence
b. ?secondary sex characteristics
c. ?menarche
d. ?puberty
ANSWER:
d
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For Descartes, the application of mathematical principles to sciences would produce ____.?
a. ?theorems of human nature b. ?laws of physics c. ?principles d. ?religious conviction e. ?certainty of knowledge
When a rat presses a lever, it occasionally produces a food pellet. The rat presses the lever hundreds of times, earning many food pellets. Hull and Spence would argue that lever pressing is reinforced by the:
A) expectation of the food pellet. B) taste of the food pellet. C) feel of the depressed lever. D) reduction in hunger.
Tom's father has hemophilia, but Tom does not have the disease. What are the chances that Tom's children will have hemophilia? a. Tom's sons will almost certainly have it because Tom will have inherited the recessive gene from this father. b. Tom's daughters may be carriers, but his sons will not have the gene
c. All of Tom's children will be carriers, but it will not be expressed until they have children. d. None of Tom's children will be carriers or have the illness because his X gene came from his mother, who is not a carrier.
A surgeon who performs a six-hour operation but feels like only six minutes has passed has probably just __________
a. experienced a seizure b. experienced a flow state c. received a very large raise d. operated on a relative