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TCA Cycle and Glycolysis

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Hello, I was hoping someone can explain to me how to follow carbon labels (radioactive 14C) through glycolysis and TCA cycle. For example if C5 or C6 is labeled where will it end up in pyruvate or if its labeled in Oxaloacetate where it ends up after first, second round of TCA cycle etc. I'm uploading a few problems, I need a full explanation on how to follow through each cycle with details and notes. Please let me know how many credits this will require, I'm only posting 1 credit right now until someone sends me a message willing to do it!

Problem 2 & 5 in problem set 5
Problem 2 in practice exam 3

FYI, none of these are due for a grade, I have an exam Thursday

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The expert examines the TCA cycle and glycolysis.

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