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Old 10-29-2012
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Default Irreversible steps in glycolysis

Which of the following represents an irreversible step in glycolysis?

A) 1,3 bisphosphoglycerate to 3 - phosphoglycerate
B) Fructose 6 phosphate to fructose 1,6 - bisphosphate
C) Fructose 1,6 bisphosphate to glyceraldehydes 3 phosphate
D) Glucose 6 phosphate to fructose 6 phosphate
E) Glyceraldehyde 3 phosphate to 1,3 bisphosphoglycerate

Que 2;list the other irreversible steps in glycolysis
Ques 3:Is pyruvate Dehydrogenase a part of glycolytic PW or part of TCA cycle?

Guys,pls respond.I don't know the answers.
Thank you
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Old 10-29-2012
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Quote:
Originally Posted by blade View Post
Which of the following represents an irreversible step in glycolysis?

A) 1,3 bisphosphoglycerate to 3 - phosphoglycerate
B) Fructose 6 phosphate to fructose 1,6 - bisphosphate
C) Fructose 1,6 bisphosphate to glyceraldehydes 3 phosphate
D) Glucose 6 phosphate to fructose 6 phosphate
E) Glyceraldehyde 3 phosphate to 1,3 bisphosphoglycerate

Que 2;list the other irreversible steps in glycolysis
Ques 3:Is pyruvate Dehydrogenase a part of glycolytic PW or part of TCA cycle?

Guys,pls respond.I don't know the answers.
Thank you
Q 1. B
Q2. Glucose------ Glucose-6 phosphate
Phospoenolpyruvate-----Pyruvate

Q 3. i guess its an independant reaction and doest belong to any of the pathway.
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Old 10-29-2012
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Thanks alot @Timmi,just cleared my doubts
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