Biology, 31.05.2020 02:00 ayoismeisalex
Match each taxonomic group of early haplorrhine primates to the description that fits it. Drag each item on the left to its matching item on the right. parapithecids oligopithecids propliopithecids These primates share many primitive features with the Eocene strepsirrhines. However, they also share some derived features with contemporary haplorrhines. Only some members of this group have a 2.1.2.3/2.1.2.3 dental formula. Members of this group may have ranged beyond the Fayum into North Africa and the Arabian Peninsula. SELECT A LABEL This is a somewhat diverse group of fossil primates. Although they were larger in body size, they still showed signs of arboreal quadrupedalism. They had a 2.1.2.3/2.1.2.3 dental formula and ate mainly fruit. SELECT A LABEL This is a relatively diverse group of fossil primates, the largest of which were the size of a guenon, the smallest were the size of a marmoset. They had a 2.1.3.3/2.1.3.3 dental formula and unspecialized, primitive teeth. SELECT A LABEL
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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?
Answers: 1
Biology, 22.06.2019 13:00
This rapid change in species that rarely leaves behind fossil evidence is referred to as
Answers: 3
Match each taxonomic group of early haplorrhine primates to the description that fits it. Drag each...
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