Which of the Following Statements About Aromatic Amino Acids Is

question 66

Multiple Choice

Which of the following statements about aromatic amino acids is correct?

• A)All are strongly hydrophilic.
• B)Histidine's ring structure results in its being categorized as aromatic or basic,depending on pH.
• C)On a molar basis,tryptophan absorbs more ultraviolet light than tyrosine.
• D)The major contribution to the characteristic absorption of light at 280 nm by proteins is the phenylalanine R group.
• E)The presence of a ring structure in its R group determines whether or not an amino acid is aromatic.

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