Biochemistry Mcqs

Free radicals can be inactivated by the following enzymes EXCEPT__________________?

• (A)  Glutathione peroxidase
• (B)  Catalase
• (C)  Superoxide dismutase
• (D)  Myeloperoxidase

Answer

Submitted By :Ali Uppal

The fluid mosaic model of membrane structure was proposed by_______________?

• (A)  Watson and Crick
• (B)  Edwarg Angle
• (C)  G.V Black
• (D)  Singer and Nicolson

Answer

Submitted By :Ali Uppal

Under metabolic conditions associated with a high rate of fatty acid oxidation liver produces________________?

• (A)  Glutamate
• (B)  Acetoacetate
• (C)  Cholesterol
• (D)  Glycine

Answer

Submitted By :Ali Uppal

The transmembrane adhesive molecules present in hemi desmosomes which specifically binds to basal lamina glycoprotein laminin are______________?

• (A)  Integrin a6-B4
• (B)  The catenins desmoplakin
• (C)  cadherins desmoglein
• (D)  a and B catenin

Answer

Submitted By :Ali Uppal

During phagocytosis, the metabolic process called respiratory burst involves the activation of_____________?

• (A)  Oxidase
• (B)  Hydrolase
• (C)  Peroxidase
• (D)  Dehydrogenase

Answer

Submitted By :Ali Uppal

Which of the following is the best site of absorption of calcium ?

• (A)  Proximal segment of small intestine
• (B)  Middle segment of small intestine
• (C)  Ascending colon
• (D)  Ileum

Answer

Submitted By :Ali Uppal

Transport form of iron is______________?

• (A)  Transferrin
• (B)  Ferritin
• (C)  Apoferritin
• (D)  Lactoferrin

Answer

Submitted By :Ali Uppal

Which is the poorest source of calcium among the following______________?

• (A)  Rice
• (B)  Human milk
• (C)  Egg yolk
• (D)  Cow’s milk

Answer

Submitted By :Ali Uppal

A patient of type 2 diabetes mellitus is given nutrition rich in________________?

• (A)  Proteins
• (B)  Carbohydrates
• (C)  Fat
• (D)  Fibre rich diet

Answer

Submitted By :Ali Uppal

All are components of basement membrane except________________?

• (A)  nidogen
• (B)  Laminin
• (C)  Eutactin
• (D)  Rhodopsin

Answer

Submitted By :Ali Uppal