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Medical Science Mcqs 5254 MCQs [All-Courses]

Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

Which of the following is correct of the pyruvate dehydrogenase enzyme complex ?

A It is present in cytoplasm

B Catalyzes the conversion of pyruvate to oxaloacetate

C Requires TPP as cofactor

D Catalyzes a reversible reaction

Review Detailed Answer

Correct Answer: Requires TPP as cofactor

Dehydrogenase used as coenzymes all of the following, except________________?

A FMN

B FAD

C NADP+

D Ferro protoporphyrin

Review Detailed Answer

Correct Answer: Ferro protoporphyrin

Benzidine test is positive with the enzyme______________?

A Cytochrome oxidase

B Dehydrogenase

C Hydrolase

D Peroxidase

Review Detailed Answer

Correct Answer: Peroxidase

Key glycolytic enzymes_____________?

A Phosphofructokinase

B Hexokinase

C Pyruvate kinase

D Glucose 1,6 diphosphatase

Review Detailed Answer

Correct Answer: Phosphofructokinase

Multiienzyme complex in human_______________?

A Fatty acid synthetase

B Malonyl CoA carboxylase

C Carbomoyl Phosphate synthetase

D Adenosine phospho ribosyl transferase

Review Detailed Answer

Correct Answer: Fatty acid synthetase

Which of the following is NOT a characteristic feature of allosteric enzymes ?

A They are multienzyme complex

B Follow Michaelis-Menton Kinetics

C Presence of Modulator site

D Give sigmoid shaped curve

Review Detailed Answer

Correct Answer: Follow Michaelis-Menton Kinetics

A example of a preventive antioxidant is_______________?

A Catalase

B Tocopherol

C Superoxide dismutase

D Urate

Review Detailed Answer

Correct Answer: Catalase

LDH has following number oflsoenzymes________________?

A 5

B 3

C 11

D 2

Review Detailed Answer

Correct Answer: 5

One of the earliest symptoms of Vit. A deficiency is________________?

A Nyctalopia

B Xerophthalmia

C Bitot’s spot

D Keratomalacia

Review Detailed Answer

Correct Answer: Nyctalopia

The enzyme phosphofructo kinase-1 is strongly activated by_______________?

A Cyclic AMP

B Adenosine tri phosphate

C Citrate

D Fructose 2,6 bis phosphate

Review Detailed Answer

Correct Answer: Fructose 2,6 bis phosphate

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Medical Science Mcqs 5254 MCQs [All-Courses]

All Topics 5254

All Topics 5254

Which of the following is correct of the pyruvate dehydrogenase enzyme complex ?

Dehydrogenase used as coenzymes all of the following, except________________?

Benzidine test is positive with the enzyme______________?

Key glycolytic enzymes_____________?

Multiienzyme complex in human_______________?

Which of the following is NOT a characteristic feature of allosteric enzymes ?

A example of a preventive antioxidant is_______________?

LDH has following number oflsoenzymes________________?

One of the earliest symptoms of Vit. A deficiency is________________?

The enzyme phosphofructo kinase-1 is strongly activated by_______________?