Biology, 03.02.2020 00:42 katwright1124
Of the following identify the system you would find in a human but not in a flatworm a: a respiratory system b: a digestive system c: a nervous system
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Biology, 21.06.2019 18:00
How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes
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Biology, 21.06.2019 19:40
What does it mean for a cell membrane to be selectively permable
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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?
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Biology, 22.06.2019 05:30
Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?
Answers: 2
Of the following identify the system you would find in a human but not in a flatworm a: a respirato...
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