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After glycolysis, the pyruvate molecules formed are converted to acetyl CoA prior to entering the citric acid cycle. This cycle produces electron carriers NADH and FADH2 as byproducts. In the last step of this cycle, malate undergoes dehydrogenation to produce oxaloacetate. This is also the last reaction in the cycle that produces the electron carrier, NADH.
Identify the oxidant in the following coupled redox reaction: Malate + NAD+ → Oxaloacetate + NADH + H+. The coupled reaction involves these two half reactions:
NAD+ + 2H+ + 2e- → NADH + H+
oxaloacetate + 2H+ + 2e- → malate
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Citric Acid Cycle concept. You can view video lessons to learn Citric Acid Cycle. Or if you need more Citric Acid Cycle practice, you can also practice Citric Acid Cycle practice problems.
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Based on our data, we think this problem is relevant for Professor Mirabito's class at UK.