Biology, 22.01.2022 16:30 justalittle
How might these substances affect the quality of nearby surface water? (pesticide, felizers, metals)
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Biology, 20.06.2019 18:02
This female hormone, stored in the posterior pituitary gland, stimulates the contractions of the uterus during childbirth. what is this hormone?
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Biology, 22.06.2019 02:30
The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community
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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 15:10
When energy is used, atp molecules convert to adp molecules. this process is called
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How might these substances affect the quality
of nearby surface water? (pesticide, felizers, metal...
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