Biology. Proteins, Enzymes, and Nucleic Acids.

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A protein may consist of as many as ___ amino acids.

5,000.

The basic building blocks of proteins are....

Amino Acids.

An enzyme is a large ___ molecule.

Protein.

Regulating the manufacture of ____ is the function of the RNA.

Protein.

Why are enzymes necessary?

To act as a catalyst in chemical reactions.

In addition to the elements found in carbohydrates, proteins contain the element nitrogen.

True.

DNA (deoxyribonucleic acid)

a complex molecule containing the genetic code.

Substrate

a compound that is involved in a chemical reaction and is chemically changed by the reaction.

Protein

a large, complex organic molecule consisting of a large number of amino acids linked together by peptide bonds.

RNA (ribonucleic acid)

a nucleic acid that participates in the synthesis of proteins.

Enzyme

a protein molecule that is specialized to speed up a specific chemical reaction in biological systems.

Nucleic Acid

a sequence of sugars, phosphates, and nitrogenous organic bases—DNA and RNA.

Catalyst

any substance that accelerates a chemical reaction without being used up in the reaction.

Amino Acid

the basic building block of proteins; contains a carboxyl group (-COOH) and an amino group (-NH2).


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