Biochemistry Mcqs

Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?

• (A)  Denatured state
• (B)  Molecular aggregation
• (C)  Precipitation
• (D)  Quaternary structure

Answer

Submitted By :Ali Uppal

Most common non protein nitrogenous fraction of blood_____________?

• (A)  Urea
• (B)  Uric acid
• (C)  Urobilinogen
• (D)  Creatinin

Answer

Submitted By :Ali Uppal

The fastest moving fraction of protein in serum When subjected to paper electrophoresis is_____________?

• (A)  Albumin
• (B)  Alpha 1 globulin
• (C)  Beta Globulin
• (D)  Gamma Globulin

Answer

Submitted By :Ali Uppal

The daily requirement of protein for the adults is_________________?

• (A)  6 gms
• (B)  60 gms
• (C)  120 gms
• (D)  250 gms

Answer

Submitted By :Ali Uppal

Colloidal osmotic pressure of plasma is by___________?

• (A)  Albumin
• (B)  Fibrinogen
• (C)  Globulin
• (D)  Prothrombin

Answer

Submitted By :Ali Uppal

Alkaptonuria an inherited metabolic disorder is due to the deficiency of____________?

• (A)  Homogentisate oxidase
• (B)  Cystathionase
• (C)  Pheylalanine hydroxylase
• (D)  Tyrosine transaminase

Answer

Submitted By :Ali Uppal

In the body, metabolism of 10 g of protein would produce approximately____________?

• (A)  1 Kcal
• (B)  41 Kcal
• (C)  410 Kcal
• (D)  4100 Kcal

Answer

Submitted By :Ali Uppal

Which base is not found in DNA________________?

• (A)  Adenine
• (B)  Guanine
• (C)  Cytosine
• (D)  Uracil

Answer

Submitted By :Ali Uppal

Major source of ammonia in the kidney is___________?

• (A)  Urea Aspartate
• (B)  Aspartate
• (C)  Glutamine
• (D)  Glutamate

Answer

Submitted By :Ali Uppal

Creatine is formed metabolically from______________?

• (A)  Tryptophan
• (B)  Arginine
• (C)  Phenylalanine
• (D)  Histidine

Answer

Submitted By :Ali Uppal