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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
Which pair of amino acids absorbs the most UV light at 280 nm?

Threonine & Histidine
Trp & Tyrosine
Cystein & Asparagine
Phenylalnine & Proline

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Structure and Properties of Amino Acids
Which of the following is not an essential amino acid?

All of these
Aspartic acid
Glutamic acid
Glycine

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Structure and Properties of Amino Acids
Stereo chemical configuration of all a-amino acids derived from proteins is

D
L
None of these
L and D

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Structure and Properties of Amino Acids
The sequence of letters 'WYQN' will represent

Glutamine, tyrosine, tryptophan, aspartic acid
Tryptophan, tyrosine, glutamine, asparagine
Tryptophan, glutamine, tryptophan, asparagine
Tryptophan, tyrosine, glutamic acid, asparagine

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Structure and Properties of Amino Acids
What is the heaviest of the twenty amino acids?

Tyrosine
Phenylalanine
Histidine
Tryptophan

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Structure and Properties of Amino Acids
In a polypeptide average mass of an amino acid residue is

150 daltons
110 daltons
80 daltons
118 daltons

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MORE MCQ ON Structure and Properties of Amino Acids

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