In the classic study by Weingarten, the rats ________ each time the buzzer and light were presented during the test phase.
(a) exhibited conditioned fear
(b) ate
(c) avoided the food
(d) vomited
(b) ate
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Which of the following would be considered an example of bioremediation?
A) adding nitrogen-fixing microorganisms to a degraded ecosystem to increase nitrogen availability B) using a bulldozer to regrade a strip mine C) dredging a river bottom to remove contaminated sediments D) reconfiguring the channel of a river E) adding seeds of a chromium-accumulating plant to soil contaminated by chromium
In shotgun sequencing, how is a complete sequence of a genome reconstructed?
A. The entire genome is directly sequenced chromosome by chromosome. B. The genome is fragmented and sequences of each fragment are arranged so that overlapping regions are identified C. The sequences of a large number of individuals is obtained and "averaged" to obtain the complete sequence. D. The position of each marker and gene are first mapped relative to regions for which the genomic sequence is not known.
An infection which is indigenous to animals but can be transmitted to humans is a _________ infection.
A) passive B) fomite C) zoonotic D) communicable
Some members of ________ have hami
A) archaea B) bacteria C) eukaryotes D) archaea and bacteria E) bacteria and eukaryotes