Biochemistry Mcqs

The number of essential amino acid are______________?

• (A)  6
• (B)  8
• (C)  12
• (D)  16

Answer

Submitted By :Ali Uppal

The nitrogen content in 50 gm of a typical dietary protein is most likely to be_____________?

• (A)  5 gm
• (B)  8 gm
• (C)  10 gm
• (D)  16 gm

Answer

Submitted By :Ali Uppal

The class of amino acids that contains only non essential amino acids is_______________?

• (A)  Acidic
• (B)  Basic
• (C)  Aromatic
• (D)  Branched chain

Answer

Submitted By :Ali Uppal

All are true about glutathione except ?

• (A)  It is a tripetide
• (B)  It converts hemoglobin to methemoglobin
• (C)  It conjugates xenobiotics
• (D)  It scavenges free radicals and superoxide ions

Answer

Submitted By :Ali Uppal

Glutamine replaced by valine in sckle cell anaemia is characterized________________?

• (A)  Non Sense mutation of beta chain
• (B)  Missense mutation of beta chain
• (C)  Degradation of beta chain
• (D)  Deletion of beta chain

Answer

Submitted By :Ali Uppal

Mannose 6 phosphate containing freshly synthesized proteins are directed to_____________?

• (A)  Nucleus
• (B)  Lysosomes
• (C)  Mitochondria
• (D)  Golgi apparatus

Answer

Submitted By :Ali Uppal

All are genetic amino acid deficiency disease except___________?

• (A)  Phenyl ketonuria
• (B)  Alkaptonuria
• (C)  Homocystinuria
• (D)  6alactosemia

Answer

Submitted By :Ali Uppal

Which of the following is a derived a derived protein_____________?

• (A)  Protamines
• (B)  Peptones
• (C)  Prolamines
• (D)  Lactalbumin

Answer

Submitted By :Ali Uppal

Amino acids excreted in the urine in cystinosis______________?

• (A)  Cystine
• (B)  Ornithine
• (C)  Arginine
• (D)  Lysine
• (E)  All of the above

Answer

Submitted By :Ali Uppal

Which is the by product of the urea cycle_______________?

• (A)  Aspartate
• (B)  Succinate
• (C)  Ornithine
• (D)  Fumarate

Answer

Submitted By :Ali Uppal