Biochemistry

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

Hemoglobin

Pepsin

Fibrin

Insulin

2. Which one are most complex sugar:

Monosaccharides

Oligosaccharides

Polysaccharides

None of these

3. ATP is an important molecule for its major function

As an energy currency of the cell

As a coenzyme

Both a and b

None of these

4. The trioses which are intermediate in respiration and photosynthesis are

Glyceraldehydes

Dihydroxyacetone

Both of these

None of these

5. This is the Function of Dietary Fat

Signals Cells

Forms Part of Cellular Membranes

Provides Energy to the Body

All of these

6. An amino acid yielding acetyl CoA during catabolism is

ketogenic

glucogenic

essential

both glucogenic and ketogenic

7. Which of the following carbohydrate cannot be hydrolyzed?

Monosaccharide

Oligosaccharide

Polysaccharide

None of these

8. Which of the following substance is most favorable to form a structural component of biological membranes?

Hydrophilic Carbohydrates

Hydrophobic fats.

Both a and b

None of these

9. Proteins comprise of _____% of the total dry weight of a cell.

0.4

0.5

0.6

0.7

10. The first amino acid of any polypeptide chain in eukaryotes is

valine

methionine

glycine

alanine

Question 1 of 10

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