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1 point

Transfer of a single electron to oxygen generates

Hydroxyl ion

Superoxide

Hyroperoxidase

Singlet oxygen

1 point

All of the following are Nonfunctional Plasma Enzymes EXCEPT

Pseudo cholinesterase

Creatine Kinase

Amylase

Acid phosphatase

1 point

The Erythrocyte enzyme used for assessing Riboflavin status is

Transketolase

Aminoacid oxidase

Glutathione reductase

Glutathione peroxidase

1 point

The most important antioxidant in the body is

b-carotene

Urate

Vit E

Bilirubin

1 point

Shortcircuiting ATP syntase results in

stoppage of electron flow

Uncoupling of Oxidative phosphorylation

Synthesis of excess ATP

Inhibition of Oxidative phosphorylation

1 point

Which of the following is NOT a component of the Respiratory chain

NADP

Cytochrome

FMN

Ubiquinone

1 point

Which of the following is a Hydroperoxidase ?

Catalase X

Tryptophan pyrrolase

Cytochrome P450

Tryptophan pyrrolase

1 point

Which of the following vitamins is required for the post synthetic modification of procollagen to collagen

Nicotinic acid

Folic acid

Ascorbic acid

Pantothenic acid

1 point

The most common prosthetic groups are

Biotin

Nicotinamide Coenzymes

Flavin Coenzymes

Metals

10.

1 point

Which of the following compounds has got the highest standard free energy of hydrolysis ?

Carbamoyl phosphate

Phosphoenol pyruvate

1,3-bisphosphoglcerate

Creatine phosphate

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