Biochemistry Answers

What is the significance of oxidative phosphorylation?Illustrate your answer with an example for each.

Define disaccharides.Write structure for disaccharides in which glucose units are linked together in the following ways.
(i)α-1,4 (ii)β-1,4 (iii)α-1,6 (iv)β-1,6

What is the difference between the electron transport reactions of mitochondria and the ones which take place in photosynthetic process?

Why do monosaccharide form cyclic structure?Draw the structures of open chain and cyclic forms of glucose.

Give the role of following vitamins in biochemical reactions.Explain with the help of an example.
(i)Thiamine
(ii) Pyridoxine
(iii)Riboflavin

Explain the following terms.
(i)Termination codons
(ii)Lac operon
(iii) Chemical carcinogens
(iv)Immobilised enzyme

Explain the following terms:
(i)Constitutive and induced enzymes
(ii)Metabolic regulation
(iii)Product inhibition

Explain the structure and functions of mitochondria.

Explain the role of uncouplers in electron transport chain or oxidative phosphorylation.Illustrate the answer with the help of an example.

Differentiate between the following with the help of examples in each case.
(i) Convergent and Divergent nature of catabolism and anabolism respectively
(ii)Homolactic and Alcoholic fermentation