In most organisms, the end product of glycolysis is pyruvate. Pyruvate still has

Question

In most organisms, the end product of glycolysis is pyruvate. Pyruvate still has a substantial amount of energy in it that can further be extracted. Depending on whether the organisms are operating under aerobic or anaerobic conditions, pyruvate undergoes further oxidation to produce more ATP, resulting in different end products.

Sort the following items according to whether they are reactants or products in the anaerobic reduction of pyruvate that takes place in animal muscles during strenuous exercise.

Drag each item to the appropriate bin.

A. Pyruvate

B. NAD+

C. Lactate

D. NADH

Bin 1: Reactants Bin 2: Products

Explanation / Answer

In muscles the pyruvate is converted to lactic acid in absence of oxygen. the process liberated energy.

Pyruvate + NADH + H+ ---> Lactate + NAD+

So reactants are : Pyruvate and NADH

products are: Lactate + NAD+

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