Biochemistry

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

150

170

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

Glyceraldehydes

Dihydroxyacetone

Both of these

None of these

3. Which among the following is not polymeric?

Carbohydrates

Nucleic acids

Proteins

Lipids

4. Glycolipids and glycoproteins have structural role in the _____ matrix of animal and bacterial cell

Extracellular

Intracellular

Both of these

Glucose

5. Antibodies play an important role against microorganisms and other pathogens to which type of proteins do they belong?

Globular proteins

Fibrous Proteins

Both a and b

None of these

6. Which of the following carbohydrate is tasteless?

Monosaccharide

Oligosaccharide

Polysaccharide

None of these

7. Which one the following fatty acid is more soluble in an organic solvent and has a higher melting point?

Acetic acid

Butyric acid

Palmitic acid

All have same

8. Each turn of DNA contain _______ nitrogenous base pairs

9. The Nature of an Enzyme is

Lipid

Vitamin

Carbohydrate

Protein

10. 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

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