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Biology, 22.06.2019 14:50
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.
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Biology, 22.06.2019 20:30
Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. true or false
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Suppose a bacterium had the opportunity to form a glycocalyx, a flagella, a pilius, or an endospore....
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