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Which of the following types of soil has the highest water retaining capacity (A) Clay (B) Laterite (c) Loam (D) Gravel (E) sand.
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How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain
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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 03:30
Identify any four organelles that should be present in the eukaryotic organism and describe the function of each organelle
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Biology, 22.06.2019 04:30
In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?
Answers: 3
Which of the following types of soil has the highest water retaining capacity (A) Clay (B) Laterite...
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