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The Kreb's Cycle

 

In the Kreb's cycle, acetyl CoA reacts with oxaloacetic acid to form citric acid. For this reason, the Kreb's cycle is sometimes referred to as the citric acid cycle. On the next page, you will see an animation of the Kreb's cycle. See if you can figure out why it is called a cycle and answer question 31 before going on to page 3.

Page Kreb's Cycle