Why is the surface temperature of Venus higher than it is on Mercury?
A Mercury is too s...
Biology, 19.02.2020 03:57 mtmtcow4752
Why is the surface temperature of Venus higher than it is on Mercury?
A Mercury is too small.
B The greenhouse effect is operating on Venus.
C Venus is closer to the sun.
D Mercury rotates.
Answers: 1
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Which is required for sexual fissiondiploid cell productionmeiosis
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Keeping in mind the life cycle of bacteriophages, consider the following problem: during the reproductive cycle of a temperate bacteriophage, the viral dna inserts into the bacterial chromosome where the resultant prophage behaves much like a trojan horse. it can remain quiescent, or it can become lytic and initiate a burst of progeny viruses. several operons maintain the prophage state by interacting with a repressor that keeps the lytic cycle in check. insults (ultraviolet light, for example) to the bacterial cell lead to a partial breakdown of the repressor, which in turn causes the production of enzymes involved in the lytic cycle. as stated in this simple form, would you consider this system of regulation to be operating under positive or negative control?
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Which characteristics must an object possess in order to be considered alive?
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