What is the correct order of glycolysis? 1. Add phosphate to the pyruvic acid 2.

Question

What is the correct order of glycolysis?
1. Add phosphate to the pyruvic acid 2. Release water when the atoms in the pyruvic acid are rearranged 3. Add first phosphate to glucose 4. Break glucose into pyruvic acid 5. Make one more ATP molecule for each pyruvic acid - Produce a net 2 ATP 6. Add a second phosphate to glucose 7. One ATP is made for each pyruvic acid molecule
A) 1,2,3,4,5,6,7 B) 3,6,4,1,5,2,7 C) 3,6,1,2,4,7,5 What is the correct order of glycolysis?
1. Add phosphate to the pyruvic acid 2. Release water when the atoms in the pyruvic acid are rearranged 3. Add first phosphate to glucose 4. Break glucose into pyruvic acid 5. Make one more ATP molecule for each pyruvic acid - Produce a net 2 ATP 6. Add a second phosphate to glucose 7. One ATP is made for each pyruvic acid molecule
A) 1,2,3,4,5,6,7 B) 3,6,4,1,5,2,7 C) 3,6,1,2,4,7,5
1. Add phosphate to the pyruvic acid 2. Release water when the atoms in the pyruvic acid are rearranged 3. Add first phosphate to glucose 4. Break glucose into pyruvic acid 5. Make one more ATP molecule for each pyruvic acid - Produce a net 2 ATP 6. Add a second phosphate to glucose 7. One ATP is made for each pyruvic acid molecule
A) 1,2,3,4,5,6,7 B) 3,6,4,1,5,2,7 C) 3,6,1,2,4,7,5

Explanation / Answer

The order of glycolysis is:

B. 3,6,4,1,5,2,7

Brief explanation:

Steps 3 and 6 are the initial stages where glucose is converted to fructose.

This is followed by step 4 where pyruvic acid is synthesised.

The pyruvic acid is converted to acetyl-CoA by step 1.

The 2 acetyl-CoA enters kreb's cycle each to form ATP as in step 5.

The process of kreb's cycle release water as in step 2.

The final result is 2 ATP released per glycolysis cycle as in step 7.

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