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Quiz by Nada Medhat, created more than 1 year ago

medicate and innovate for services the medical students group

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	Created by Nada Medhat about 8 years ago

6525292

quiz

2016-11-12T00:32:37Z

Carbohydrates metabolism

This is a timed quiz.

You have 5 minutes to complete the 5 questions in this quiz.

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Question 1 of 5

1- which one of the following statements concerning glycolysis is correct ?

Select one of the following:

a- the conversion of glucose to lactate requires the presence of oxygen
b- fructose 2.6- bis phosphate is a potent inhibitor of phosphofructokinase
c- the regulated reactions are also the irreversible reactions
d- the conversion of glucose to lactate yields two ATP and two NADH

Explanation

Question 2 of 5

2- the reaction catalyzed by phosphofructokinase-1 :-

Select one of the following:

a- is activated by high concentrations of ATP and citrate.
b- uses fructose 1-phosphate as substrate
c- is the rate limiting reaction of the glycolytic pathway
d- is inhibited by fructose 2,6- bis phosphate

Explanation

Question 3 of 5

3- which of the following statements best describes glucose :-

Select one of the following:

a- it is a ketose and usually exists as a fructose ring in solution
b- it is a C-4 epimer of galactose
c- it is utilized in biological systems only in the L-isomeric form
d- it is produced from dietary starch by the action of alpha amylase

Explanation

Question 4 of 5

4- a patient urine is giving +ve Benedict test , but with - ve glucose oxidase test .
the sugar present in urine might be :-

Select one of the following:

a) glucose
b) sucrose
c) galactose
d) starch

Explanation

Question 5 of 5

5- Milk intolerance that may follow gastroenteritis is due to loss of which of the following :-

Select one of the following:

a) Amylase
b) Lactase
c) Sucrase
d) Cellulase

Explanation

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6525292

quiz

2016-11-12T00:32:37Z

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medicate and innovate for services the medical students group

Carbohydrates metabolism

Carbohydrates metabolism

Question 1 of 5

1- which one of the following statements concerning glycolysis is correct ?

Select one of the following:

Explanation

Question 2 of 5

2- the reaction catalyzed by phosphofructokinase-1 :-

Select one of the following:

Explanation

Question 3 of 5

3- which of the following statements best describes glucose :-

Select one of the following:

Explanation

Question 4 of 5

4- a patient urine is giving +ve Benedict test , but with - ve glucose oxidase test . the sugar present in urine might be :-

Select one of the following:

Explanation

Question 5 of 5

5- Milk intolerance that may follow gastroenteritis is due to loss of which of the following :-

Select one of the following:

Explanation

4- a patient urine is giving +ve Benedict test , but with - ve glucose oxidase test .
the sugar present in urine might be :-