What happens in a global convection cell?
a. cool air moves upward in the center; warm air m...
What happens in a global convection cell?
a. cool air moves upward in the center; warm air moves downward at
the edge.
o
b. warm air and cool air move in circles, causing hurricanes and
tornadoes.
o
c. cool air and warm air repeatedly collide, pushing air up and
causing storms.
o
d. warm air moves upward in the center, cool air moves downward at
the edge
Answers: 3
Biology, 21.06.2019 23:30
You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled
Answers: 1
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
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Mathematics, 15.01.2022 23:50
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