Concentrations of Some Proteins Cannot Be Estimated by UV Spectrophotometry

question 14

Multiple Choice

Concentrations of some proteins cannot be estimated by UV spectrophotometry because they are

• A) high in non-absorbing amino acids.
• B) low in tryptophan and tyrosine.
• C) low in protein.
• D) high in aromatic amino acids.

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Definitions:

Tertiary Structure

Refers to the three-dimensional shape that a protein assumes after it folds, contributing to its functional properties.

Polypeptide Chains

Long chains of amino acids linked by peptide bonds forming part of protein structure.

Hydrophobic

Describes a substance that resists dissolving in water.