Amino Acids in Proteins Are Linked to One Another by Peptide

question 54

Multiple Choice

Amino acids in proteins are linked to one another by peptide bonds between the

• A) methyl group of one amino acid and a side group of another amino acid.
• B) carbon atoms of two adjacent amino acids.
• C) carboxyl group of one amino acid and the amino group of another.
• D) nitrogen atom and carboxyl ion.
• E) phosphate group and nitrogenous base.

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Definitions:

Ozone

A molecule composed of three oxygen atoms (O3) known for its protective layer in the Earth's stratosphere and as a pollutant at ground level.

Phenylacetic Acid

An organic compound with the formula C6H5CH2COOH, used in the synthesis of various pharmaceuticals.

Grignard Chemistry

A branch of organic chemistry focusing on the reactions involving Grignard reagents, which are magnesium-based compounds used to form carbon-carbon bonds.

Toluene

An aromatic hydrocarbon commonly used as an industrial solvent, known chemically as methylbenzene with the formula C7H8.