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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
When the amino acid alanine (R-group is CH3) is added to a solution with a pH of 7.3, alanine becomes

a cation
an isotope
nonpolar
a zwitterions

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

None of these
D
L
L and D

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Structure and Properties of Amino Acids
D-Alanine and L-Alanine are technically known as

anomers
polymer
enantiomers
epimers

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

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

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Structure and Properties of Amino Acids
Which of the following is a nonstandard amino acid?

Histidine
Isoleucine
Cysteine
Hydroxyproline

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Structure and Properties of Amino Acids
Which of the following is not the hydrophobic and aromatic amino acid?

Tyrosine
Tryptophan
None of these
Phenylalanine

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MORE MCQ ON Structure and Properties of Amino Acids

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