Which of the following events does not occur during Krebs Cycle?   Citrate synthase catalyzers the transfer of an acetyl group from acetyl coenzyme A to oxaloacetate to form citrate.   Isocitrate dehydrogenase converts citrate to its isomer isocitrate.   A carbon dioxide is released when alpha-ketoglutarate is oxidized to succinyl coenzyme A.   The energy released from the conversion of succinyl coenzyme A to succinate is used to transfer a phosphate group to ADP to form ATP.

Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter19: The Tricarboxylic Acid Cycle
Section: Chapter Questions
Problem 22P: Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is...
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  1. Which of the following events does not occur during Krebs Cycle?

     
    1. Citrate synthase catalyzers the transfer of an acetyl group from acetyl coenzyme A to oxaloacetate to form citrate.

       
    2. Isocitrate dehydrogenase converts citrate to its isomer isocitrate.

       
    3. A carbon dioxide is released when alpha-ketoglutarate is oxidized to succinyl coenzyme A.

       
    4. The energy released from the conversion of succinyl coenzyme A to succinate is used to transfer a phosphate group to ADP to form ATP.

       
    1. During Krebs Cycle, succinate is oxidized to fumarate which is coupled to the reduction of FAD to FADH2. During electron transport, the electrons from FADH2 are transferred to coenzyme Q.

       

      Which of the following catalyzes these reactions?

       
      1. NADH dehydrogenase

         
      2. Succinate dehydrogenase

         
      3. FADH2 hydrogenase

         
      4. NADH hydrogenase reductase

         
         
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