?Which of the following statements about aromatic amino acids is correct? ? 1) O

Question

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

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

Explanation / Answer

answer is 1

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