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Biology, 21.06.2019 17:30
Which of the following systems in absorbing oxygen and releases carbon dioxide
Answers: 1
Biology, 21.06.2019 20:50
Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond
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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 10:10
Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.
Answers: 2
Mathematics, 24.04.2020 00:52
Mathematics, 24.04.2020 00:52
Mathematics, 24.04.2020 00:52
Biology, 24.04.2020 00:52
Mathematics, 24.04.2020 00:52
Mathematics, 24.04.2020 00:52
Chemistry, 24.04.2020 00:52
Chemistry, 24.04.2020 00:52
Social Studies, 24.04.2020 00:52
Mathematics, 24.04.2020 00:53