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Amino Acids & Proteins – Multiple Choice Questions (Set 1)

July 27, 2018February 3, 20190147

Q.) At neutral pH, a mixture of amino acids in solution would be predominantly:

Dipolar ions

Hydrophobic

Positive and monovalent

Nonpolar molecules

Q.) Proteins contain

Only L- α - amino acids

Both (A) and (B)

Only D-amino acids

DL-Amino acids

Q.) The optically inactive amino acid is

Valine

Threonine

Serine

Glycine

Q.) Sulphur containing amino acid is

Methionine

Asparagine

Valine

Leucine

Q.) All the following are sulphur containing amino acids found in proteins except

Valine

Threonine

Cysteine

Methionine

Q.) All proteins contain the

300 Amino acids occurring in nature

Different amino acids

Only a few amino acids

Same 20 amino acids

Q.) pH (isoelectric pH) of alanine is

6.02

7.2

6.8

6.6

Q.) An aromatic amino acid is

Tyrosine

Arginine

Taurine

Lysine

Q.) The true statement about solutions of amino acids at physiological pH is

All amino acids contain negatively charged side chains

All amino acids contain positively charged side chains

All amino acids contain both positive and negative charges

Some amino acids contain only positive charge

Q.) An example of sulphur containing amino acid is

2-Amino-3-hydroxypropanoic acid

2-Amino-3-mercaptopropanoic acid

Amino acetic acid

2-Amino-3-methylbutanoic acid

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Q.) At neutral pH, a mixture of amino acids in solution would be predominantly:

Q.) Proteins contain

Q.) The optically inactive amino acid is

Q.) Sulphur containing amino acid is

Q.) All the following are sulphur containing amino acids found in proteins except

Q.) All proteins contain the

Q.) pH (isoelectric pH) of alanine is

Q.) An aromatic amino acid is

Q.) The true statement about solutions of amino acids at physiological pH is

Q.) An example of sulphur containing amino acid is

User Review

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