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Owen
Owen, Attending Physician
Category: Homework
Satisfied Customers: 55754
Experience:  I teach medical students and residents with title of Asst. Professor
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Is oxidative phosphorylation same thing as krebs cycle and

This answer was rated:

Is oxidative phosphorylation same thing as krebs cycle and if not do both rquire oxygen? And where does glycolysis stand from all that?

Owen :

Hello

Owen :

So let me start - you do understand that Glycolysis and the Krebs cycle are different but the Krebs cycle follows Glycolysis, correct?

Owen :

.

Customer:

Yes. But I got lost when I read in my lecture slides about oxidative phosphorylation.

Customer:

can we switch to Q & A plz.

Owen :

oxidate phosphorylation is essentially the process in cell metabolism by which respiratory enzymes in the mitochondria synthesize ATP from ADP and inorganic phosphate during the oxidation of NADH by molecular oxygen

Owen :

glycolysis starts the process from glucose that makes pyruvate,

Owen :

The Pyruvate is then what starts the Krebs cycle

Customer:

so oxidative phosphorylation is not a continuation of neither glycolysis nor krebs cycle?

Owen :

oxidative phosphroylaration is really the process of making ATP - so it happens in BOTH the Glycolysis and Krebs cycle

Owen :

They do NOT require Oxygen directly, but the process of getting to these cycles do require cells to take in oxygen to get to this point of making energy which is ATP

Customer:

Okay, but now where does glycolysis occur in the cell?

Owen :

It occurs in the cytoplasm of the cell

Customer:

can we say that adp is the only feeder of oxidative phosphorylation system?

Customer:

Also how may ATPs each system yields?

Customer:

Thanks?

Owen :

Well the feeder for the system for glycolysis is glucose which takes in ADP to make ATP and also pyruvate

Owen :

The Pyruvate the is taken in by the Krebs cycle to make all the ATP

Customer:

And Oxidative Phosphorylation what is the feeder?

Owen :

ADP

Customer:

ok tthank you

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