AP BIOLOGY

LABORATORY REVIEW

DIFFUSION AND OSMOSIS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Catalysts for chemical reactions in living things
A
enzmes
B
carrier proteins
C
receptor proteins
D
channel proteins
Explanation: 

Detailed explanation-1: -A fundamental task of proteins is to act as enzymes-catalysts that increase the rate of virtually all the chemical reactions within cells. Although RNAs are capable of catalyzing some reactions, most biological reactions are catalyzed by proteins.

Detailed explanation-2: -The reactions are: Oxidation and reduction. Enzymes that carry out these reactions are called oxidoreductases. For example, alcohol dehydrogenase converts primary alcohols to aldehydes.

Detailed explanation-3: -Enzymes are biological catalysts that speed up biochemical reactions in living organisms, often by many orders of magnitude.

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