Rank each of the following in terms of their appearance in the cell during carbohydrate catabolism. 1 represents the first to appear, and 6 represents the last. (Assume only a single round of carbohydrate catabolism took place.)

(6 items)

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First

1. Glucose

2. Fructose-1,6 - bisphosphate

3. Glyceraldehyde-3. phosphate

4. Pyruvate

5. Succinyl-CoA

6. Citric acid

The correct order of above question is -

1. Glucose

2. Fructose - 1,6 - biphosphate

3. Glyceraldehyde - 3 - phosphate

4. Pyruvate

5. Citric acid

6. Succinyl co - A

Explanation - These all are the step of carbohydrate metabolism in a cell. The carbohydrate is catabolise and successively into smaller forms.

First four steps show the glycolysis process in which by use of ATP glucose molecule breakdown into simpler one.

Last two steps show the kerb's cycle in which citric acid (six carbon compound) is converted into succinyl co - A (four carbon compound).