As shown in Figure 9.15, citrate is the initial carboxylic acid in the citric acid pathway and oxaloacetate is the final carboxylic acid. To determine if the citric acid pathway was cyclic, Krebs treated cells with radioactive oxaloacetate. What would have been the result of Krebs' experiment if the pathway were linear instead of circular?

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Radioactive oxaloacetate + pyruvate would produce radioactive glucose.

  

Radioactive oxaloacetate + pyruvate would produce no radioactive citric acid cycle intermediates.

  

Radioactive oxaloacetate + pyruvate would produce radioactive citric acid.

  

Radioactive oxaloacetate + pyruvate would produce radioactive acetyl CoA.

 

asked Dec 25, 2012 in Biology by anonymous
    

1 Answer

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Radioactive oxaloacetate + pyruvate would produce no radioactive citric acid cycle intermediates.

 

answered Dec 25, 2012 by anonymous

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