Biology, 28.07.2019 09:30 benjamenburton1
Which is a feature of most animal cells? they are diploid. they have rigid walls. they produce food. they are haploid.
Answers: 2
Biology, 21.06.2019 22:30, lovemusic4
Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.
Answers: 2
Biology, 22.06.2019 02:50, mccay5016987
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
Biology, 22.06.2019 08:30, tabathahasaunicorn1
Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes
Answers: 3
Which is a feature of most animal cells? they are diploid. they have rigid walls. they produce f...
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