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Predict what will happen to the concentration of pyruvate, NADH and H+ when the Krebs cycle is stopped by arsenic.

Respuesta :

Answer:

Pyruvate would increase, NADH would decrease, and intermembrane H+ would decrease as well.

Explanation:

Pyruvate - Pyruvate was still made through Glycolysis, and it is not used in the Krebs Cycle, so it increased.

NADH - NADH was not made by the Krebs Cycle, this causes it to decrease.

Intermembrane H+ - The Electron Transport Chain would not be able to have the electrons needed to move the H+ since it does not have NADH, causing it to decrease.

The concentration of pyruvate increases whereas the concentration of NADH and H+ decreases.

When the Krebs cycle is stopped by arsenic there is direct effect on the concentration of pyruvate, NADH and H+ because this Krebs Cycle is responsible for the formation of  pyruvate, NADH and H+.

If the Krebs cycle stop working then there is no effect on Pyruvate due to its continuous production from glycolysis but has a great impact on NADH and H+ i.e. no NADH and H+ would be made by the Krebs Cycle so we can conclude that the concentration of pyruvate increases whereas the concentration of NADH and H+ decreases.

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