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Biochemistry - Set 30
Which of the following is a true statement?
Aspartate is an essential amino acid
Lysine is a non-essential amino acid
Tryptophan and tyrosine are significantly more polar than phenylalanine
Leucine is commonly used as an ingredient in the buffers of SDS page
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Explanation
Tryptophan and tyrosine are significantly more polar than phenylalanine because of the tyrosine hydroxyl group and the nitrogen of the tryptophan indole ring.
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