Which of the following is not an essential amino acid?
Aspartic acid
Glutamic acid
Glycine
All of these
Correct answer is D
No explanation has been provided for this answer.
Which of the following amino acid is known as half-cystine residue?
Cysteine
Isoleucine
Valine
Histidine
Correct answer is A
No explanation has been provided for this answer.
Protein fluorescence arises primarily from which residue?
Arginine
Tryptophan
Tyrosine
Phenylalanine
Correct answer is B
No explanation has been provided for this answer.
Which of the following is an essential amino acid?
Tryptophan
Methionine
Lysine
All of these
Correct answer is D
No explanation has been provided for this answer.
Which of the following is a non-standard amino acid?
Cysteine
Isoleucine
Hydroxyproline
Histidine
Correct answer is C
No explanation has been provided for this answer.
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