Biology, 20.05.2020 19:00, lyss12326

Why are viruses considered to be nonliving?

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Biology, 22.06.2019 09:30, nsbegay2007

Which are reasons cells undergo cell division?

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Biology, 22.06.2019 10:00, milesjreece3939

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

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Biology, 22.06.2019 14:10, heroicblad

What do we call the process when two dominant alleles are expressed and do not blend? a. incomplete dominance b. codominance c. multiple alleles

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Biology, 22.06.2019 14:50, megamorph

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit. there is a precise compatibility between the active site and the lactose molecule. specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed. reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.