Biology, 02.03.2020 18:52, carrottopsadly
Sometimes two phenotypically different populations interbreed to a limited extent, so that it is difficult to determine whether they are clearly separate species. This is not a concern to scientists because this .
Answers: 2
Biology, 22.06.2019 06:30, 10040813
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
Answers: 1
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.
Answers: 1
Biology, 22.06.2019 15:20, barbiegirllover
What is required in the genotype of an individual to show a recessive trait? a. two recessive alleles b. at least one recessive allele c. no recessive alleles
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Biology, 22.06.2019 16:30, dexterwilliams161
Why are human population trends difficult to predict?
Answers: 2
Sometimes two phenotypically different populations interbreed to a limited extent, so that it is dif...
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