Amino acids & proteins quiz 2


#1

QUES 1. The functions of plasma albumin are

Osmosis

Transport

Immunity

both (A )and (B)

QUES 2. Amino acid with side chain containing basic groups is

2-Amino propanoic acid

2-Pyrrolidine carboxylic acid

2-Amino 5-guanidovaleric acid

2-Amino 3-mercaptopropanoic acid

QUES 3. An example of α-amino acid not present in proteins but essential in mammalian metabolism is

2-Amino 3-hydroxybutanoic acid

2-Amino 4-mercaptobutanoic acid

3-Amino 3-hydroxypropanoic acid

2-Amino 3-mercaptopropanoic acid

QUES 4. An essential amino acid in man is

Aspartate

Tyrosine

Methionine

Serine

QUES 5. Non essential amino acids

Have no role in the metabolism

Are not components of tissue proteins

May be synthesized in the body from essential amino acids

May be synthesized in the body in diseased states

QUES 6. Which one of the following is semi-essential amino acid for humans?

Valine

Lysine

Arginine

Tyrosine

QUES 7. An example of polar amino acid is

Alanine

Leucine

Arginine

Valine

QUES 8. The amino acid with a non-polar side chain is

Serine

Valine

Asparagine

Threonine

QUES 9. A ketogenic amino acid is

Valine

Cysteine

Threonine

Leucine

QUES 10. In mammalian tissues serine can be a biosynthetic precursor of

Methionine

Glycine

Tryptophan

Phenylalanine