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Biology, 22.06.2019 01:30
What type of competition exsist between two species. turtles and fish
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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 07:30
Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.
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Biology, 22.06.2019 09:00
Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?
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Mathematics, 13.04.2020 03:54
Mathematics, 13.04.2020 03:54
Mathematics, 13.04.2020 03:54
History, 13.04.2020 03:54
Biology, 13.04.2020 03:54
English, 13.04.2020 03:54
History, 13.04.2020 03:54
English, 13.04.2020 03:54
English, 13.04.2020 03:55
Mathematics, 13.04.2020 03:55
Mathematics, 13.04.2020 03:55