Biology, 10.04.2021 15:00 parkermacyow71bm
Where does a thought go when it's forgotten? also Is the Earth alive?
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Biology, 21.06.2019 16:00
Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right
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Biology, 22.06.2019 02:50
Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays
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Biology, 22.06.2019 02:50
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?
Answers: 1
Where does a thought go when it's forgotten? also Is the Earth alive?...
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