CELL RESPIRATION
GLYCOLYSIS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If 10 NADH2 and 2 FADH2 drop off their H2 during the ETC, then how much water is produced?
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12
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6
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38
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36
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Explanation:
Detailed explanation-1: -Answer: 32.5 ATP molecules are produced when 10 NADH + H+ and 5 FADH2 are oxidized through ETS.
Detailed explanation-2: -These molecules are capable of further producing ATP molecules by transfer of electrons and with the enzyme ATP synthase. One NADH molecule produces 3 ATP molecules. Whereas one FADH2 molecule produces 2 ATP molecules.
Detailed explanation-3: -From each NADH2 and each FADH2, 1 water moiety is obtained.
Detailed explanation-4: -The oxidation of one molecule of NADH thus leads to the synthesis of three molecules of ATP, whereas the oxidation of FADH2, which enters the electron transport chain at complex II, yields only two ATP molecules.
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