Biochemistry

1. Macromolecule Chitin is

A Simple Polysaccharide

Sulphur Containing Polysaccharide

Phosphorous Containing Polysaccharide

Nitrogen Containing Polysaccharide

2. Which statement is true about an aqueous medium:

Ionic as well as non-ionic substance in aqueous media retains their identity.

Enzymes cannot perform catalysis reaction in this medium.

Ions and molecules move randomly thus are in a more favorable state to react with other molecules and ions.

It is less favorable media for chemical reactions.

3. Total number of amino acids discovered so far in cells and tissues are

150

170

4. A complex substance which on hydrolysis yields polyhydroxy aldehyde or ketone subunits is called:

Lipid

Carbohydrate

Protein

Carotein

5. De Novo Fatty Acid Synthesis indicates this

Occurs only with Prolonged Fasting

Excess intake of Fat

Excess Energy Yielding Substrates

Depletion of Energy Yielding Substrates

6. Cn(H2O)n. is a general formula of:

Monosaccharides

Oligosaccharides

Polysaccharides

Carbohydrates

7. Which of the following does not show quaternary structure?

Hemoglobin

Pepsin

Fibrin

Insulin

8. Which of the statement is not true for compounds like glycoprotein and glycolipids?

They are conjugated molecules of carbohydrates

Both have a role in the extracellular matrix of animals and bacterial cell wall

They are components of biological membranes.

Both are produced and secreted by endoplasmic reticulum

9. Hemoglobin molecule exhibits which structural organization of proteins

Primary structure

Secondary structure

Tertiary structure

Quaternary structure

10. In Alcoholism, this Enzyme is Elevated

Acid Phosphatase

Hepatitis

Serum Glutamate Pyruvate Transaminase

Glutamyl Transpeptidase

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