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Discussion of metabolism questions

1. If your goal is to burn fat, you are better off exercising at lower intensity for longer periods of time, as opposed to short burts of more intense exercise. Looking at Figure 9.27(see attachment) explain why this is true on a cellular level.

For number 3 can you check my reasoning here..
3. In step 6 of citric acid cycle, succinate is converted to fumarate. The reaction is coupled to the conversion of FAD to FADH-2 Would succinate or fumarate have more C-H bonds? Is succinate being oxidized or reduced? Why is FAD being used here instead of NAD?

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Cells tend to use carbohydrates as fuel for short bursts of work, such as in a 100m race. But they also tend to use fats as ...

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In this solution, I briefly discuss the following questions:

1. If your goal is to burn fat, you are better off exercising at lower intensity for longer periods of time, as opposed to short burts of more intense exercise. Looking at Figure 9.27(see attachment) explain why this is true on a cellular level.

3. In step 6 of citric acid cycle, succinate is converted to fumarate. The reaction is coupled to the conversion of FAD to FADH-2 Would succinate or fumarate have more C-H bonds? Is succinate being oxidized or reduced? Why is FAD being used here instead of NAD?

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