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Medical Science Mcqs 5254 MCQs [All-Courses]

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

All Topics  5254

In TCA cycle substrate level phosphorylation occurs at____________?
A Succinate dehydrogenase
B Malonate reduction
C Thiokinase
D None of the above
Correct Answer: Thiokinase
Which of the following is correctly matched ?
A Isocitrate to oxalo succinate -1 ATP is formed
B Succinyl CoA to succinate -1 ATP is formed
C Succinate to furmarate -1 ATP is formed
D Malate to oxaloacetate -1 ATP is formed
Correct Answer: Succinyl CoA to succinate -1 ATP is formed
The enzyme involved in the first committed step of glycolysis is____________?
A Phosphofructokinase
B Glucose-6-Phosphatase
C Hexokinase
D Enolase
Correct Answer: Hexokinase
The end product of glycolysis under anaerobic conditions is_______________?
A Lactic acid
B Pyruvic acid
C Acetoacetic acid
D Oxaloacetic acid
Correct Answer: Lactic acid
Which of the following is a non-reducing sugar____________?
A Glucose
B Maltose
C Lactose
D Sucrose
Correct Answer: Sucrose
What high energy phosphate compound is formed in the citric acid cycle through substrate level phosphorylation______________?
A ATP
B TTP
C ITP
D GTP
Correct Answer: GTP
The main enzyme responsible for activation of xenobiotics in (detoxification)____________?
A Cytochrome P-450
B Glutathione S-transferase
C NADPH cytochrome P-450 reductase
D Glucuronyl transferase
Correct Answer: Cytochrome P-450
Which acid is formed in the citric acid cycle ?
A Oxaloacetic acid
B Glutamic acid
C Nitric acid
D None of the above
Correct Answer: Oxaloacetic acid
Kreb’s cycle occurs in _________ conditions?
A Aerobic
B Anaerobic
C Microaerophilic
D Aerobic and anaerobic
Correct Answer: Aerobic
Which of the following statement is TRUE? The hydrolysis of lactose yields glucose and galactose_____________?
A The hydrolysis of lactose yields glucose and galactose
B The hydrolysis of maltose yields glucose and fructose
C The hydrolysis of sucrose yields only glucose
D All of the above statements are true
Correct Answer: The hydrolysis of lactose yields glucose and galactose
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