Biochemistry

1. Triglyceride is also known as

Natural lipid

Neutral lipid

Neutral wax

All of these

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

Hemoglobin

Pepsin

Fibrin

Insulin

3. The element in the basic structure of proteins which differentiate them from carbohydrates is

4. Which of the following statement is incorrect5 for fats containing unsaturated fatty acid?

They contain double bond

They are usually solid at room temperature

They are lighter than water

Their specific gravity is less than 1

5. Which chemical component has the greatest contribution in the total mammalian cell weight?

Proteins

Carbohydrate

Lipids

Water

6. 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.

7. Enzyme-Driven Metabolic Pathways can be Made More Efficient by

Grouping Enzymes into Multienzyme Free-Floating Complexes

Concentrating Enzymes with Specific Cellular Compartments

Fixing Enzymes into Membranes so they are Adjacent to Each other

All of these

8. _________ is example of pure form of cellulose

Silk

Wool

Cotton

Paper

9. Which of the following polysaccharide is called animal starch?

Starch

Glycogen

Cellulose

None of these

10. Amino acids with aromatic side chain are

tryptophan, asparagine, tyrosine

tryptophan, threonine, tyrosine

phenylalanine, tryptophan, serine

phenylalanine, tryptophan, tyrosine

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