Question

Calculate what is the energy of glucose, fructose and sucrose in the form of ATP?

Answer 1

Answer:

There is a theoretical maximum of 38 ATP produced from a single glucose molecule: 2 NADH produced in glycolysis (3 ATP each) + 8 NADH produced in Krebs cycle (3 ATP each) + 2 FADH2 produced I don't know where (2 ATP each) + 2 ATP produced in the Krebs cycle + 2 ATP produced in glycolysis = 6 + 24 + 4 + 2 + 2 = 38 ATP, ...

Explanation:

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Answer 2

Answer:

Sucrose is made up of glucose and fructose. From one molecule of glucose, 38 ATP molecules can be produced during cellular respiration. During Kreb cycle, 2 molecules of FAD are reduced to FADH

2

. Now 2 FADH

2

produce 2 x 2 = 4 ATP molecules. Fructose is converted to fructose-6-phosphate by hexokinase enzyme. This fructose-6-phosphate then enters the glycolysis and produces same amount of ATP as glucose molecule does. Hence, it will also produce 4 ATP molecules by FADH

2

of Krebs cycle. Hence, total ATP produced will be 8 molecules phosphorylation by FADH

2

of Krebs cycle.

Thus, the correct answer is '8.'