Biology, 21.10.2020 23:01, katelyn0579
Earth Layers: describe each layer of makeup, location, and physical properties. be sure to include which layers are compositional and watch are mechanical.
Crust
Lithosphere
Asthenosphere
Mantle
Outer Core
Inner Core
Answers: 1
Biology, 21.06.2019 17:40, Yung5hagger
What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds
Answers: 1
Biology, 21.06.2019 18:30, LuluMathLover101
Is snow a type of precipitation? explain why or why not.
Answers: 1
Biology, 22.06.2019 02:50, mccay5016987
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
Earth Layers: describe each layer of makeup, location, and physical properties. be sure to include w...
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