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Most enzymes are proteins. Almost all chemical reactions in a biological cell need enzymes in order to occur at rates sufficient for life. Since enzymes are selective for their substrates and speed up only a few reactions from among many possibilities, the set of enzymes made in a cell determines which metabolic pathways occur in that cell. Enzymes are known to catalyze about 4,000 biochemical reactions.

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Related Questions

Which group of organic molecules includes enzymes?

Proteins


What is the group of organic molecules that assist in the activation of enzymes?

Coenzymes


What is the name of the group of molecules that speed up metabolic reactions?

i think the answer is enzymes:)


What is the name of the group of molecules used specifically to speed up metabolic reactions?

Enzymes


Enzymes are carbohydrates molecules?

Enzymes are not carbohydrate molecules. They are protein molecules.


Are most enzymes carbohydrate molecules?

Enzymes are not carbohydrate molecules. They are protein molecules.


Which group of biological molecules can speed up chemical reactions by lowering a reaction's activation energy?

Enzymes


What is the term referring to the group of organic molecules that assist in the activation of enzymes?

Coenzyme, like NAD, NADP, CoA.


Which group of organic molecules makes up enzymes?

Proteins are the main organic molecules that make up enzymes. Enzymes are typically composed of long chains of amino acids that are folded into specific three-dimensional shapes to carry out their biological functions.


What is the term collectively referring to the group organic molecules that assist in the activation of enzymes?

Coenzyme, like NAD, NADP, CoA.


Complex organic molecules that work with enzymes to facilitate the enzymes?

co-enzymes


What groups of organic molecules do enzymes belong to?

Enzymes belong to the group of organic molecules known as proteins. They are made up of long chains of amino acids that form complex three-dimensional structures. These structures allow enzymes to catalyze specific chemical reactions within living organisms.