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Biochemistry

The enzyme phosphofructo kinase-1 is strongly activated by_______________?

August 3, 2021July 15, 2019 by admin
The enzyme phosphofructo kinase-1 is strongly activated by_______________?

A. Cyclic AMP
B. Adenosine tri phosphate
C. Citrate
D. Fructose 2,6 bis phosphate

Categories Biochemistry, Enzymes, Medical Mcqs

Megnesium is needed for the activity of which enzymes ?

August 3, 2021July 15, 2019 by admin
Megnesium is needed for the activity of which enzymes ?

A. Phosphatase
B. Aldolase
C. Dismutase
D. ATPase

Categories Biochemistry, Enzymes, Medical Mcqs

When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?

August 3, 2021July 15, 2019 by admin
When the prosthetic group of an enzyme is an inorganic ion, it is called a_____________?

A. Cofactor
B. Coenzyme
C. Apoenzyme
D. Holoenzyme

Categories Biochemistry, Enzymes, Medical Mcqs

Coenzyme, in an enzymatic reaction usually functions to_____________?

August 3, 2021July 15, 2019 by admin
Coenzyme, in an enzymatic reaction usually functions to_____________?

A. Activate the substrate
B. Increase the active sites of apoenzyme
C. Enhance the specificity of apoenzyme
D. Accept one of the cleavage products

Categories Biochemistry, Enzymes, Medical Mcqs

The most common enzyme deficiency in man is___________?

August 3, 2021July 15, 2019 by admin
The most common enzyme deficiency in man is___________?

A. Glucose 6 phosphate dehydrogenase
B. Glucose 6 phosphatase
C. Hexokinase
D. Glucose 1,6 diphosphatase

Categories Biochemistry, Enzymes, Medical Mcqs

Enzymes concerned with the citric acid cycle are found in______________?

August 3, 2021July 15, 2019 by admin
Enzymes concerned with the citric acid cycle are found in______________?

A. Nucleus
B. Mitochondria
C. Ribosomes
D. Non-particulate cytoplasm

Categories Biochemistry, Enzymes, Medical Mcqs

Serum alkaline phosphatase level increase in_______________?

August 3, 2021July 15, 2019 by admin
Serum alkaline phosphatase level increase in_______________?

A. Hypothyroidism
B. Carcinoma of prostate
C. Hyperparathyroidism
D. Myocardial infarction

Categories Biochemistry, Enzymes, Medical Mcqs

The enzyme that splits hydrogen peroxide into water and oxygen is_____________?

August 3, 2021July 15, 2019 by admin
The enzyme that splits hydrogen peroxide into water and oxygen is_____________?

A. Cytochromes
B. Cytochrome P 450
C. Super oxide dismutase
D. Catalase

Categories Biochemistry, Enzymes, Medical Mcqs

Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________?

August 3, 2021July 15, 2019 by admin
Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________?

A. Oxidases
B. Peptidases
C. Transferases
D. LIpases

Categories Biochemistry, Enzymes, Medical Mcqs

The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans_______________?

August 3, 2021July 15, 2019 by admin
The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans_______________?

A. Lecithin cholesterol acyl transferase (LCAT)
B. Pyrophospho mevalonate decarboxylase
C. HMG CoA reductase
D. Phospho mevalonate kinase

Categories Biochemistry, Enzymes, Medical Mcqs
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