Question #4fc3f

1 Answer
Saliha
Jan 7, 2018

Pyruvates is oxidized when it leaves glycolysis.

Explanation:

During glycolyis glucose is broken down into two pyruvic acids or pyruvates in the cytosol. Now these pyruvic acid need no enter the Krebs cycle but they can't directly enter into it. So what happen is discussed below:

  • Pyruvic acid i.e a 3-carbon molecule undergoes decarboxylation (removal of #CO_2#) and is converted into 2-carbon molecule i.e acetic acid.

  • Acetic acid then enters the mitochondrion where it unites with #"acetyl coenzyme-A"# to form #"active acetate i.e acetyl CoA"#. The acetyl CoA then enters the cyclic series of Krebs cycle.

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