EVERYDAY SCIENCE

SCIENCE

RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
From one glucose molecule how many ATP molecules are produced?
A
36
B
37
C
38
D
39
Explanation: 

Detailed explanation-1: -Hence, during the complete oxidation of one molecule of glucose, 38 molecules of ATP are produced.

Detailed explanation-2: -This process occurs through the breakdown of one molecule of glucose. Here the ATP molecules first form in the cytoplasm through glycolysis and then it is moved to the inner mitochondrial membranes where it produces 36 ATP molecules. Thus, the total ATP molecules produced are 38.

Detailed explanation-3: -During anaerobic respiration of yeast, two ATP molecules are produced from each glucose molecule. Hence, 38 ATP will require 19 glucose molecules.

Detailed explanation-4: -In eukaryotic cells, the theoretical maximum yield of ATP generated per glucose is 36 to 38, depending on how the 2 NADH generated in the cytoplasm during glycolysis enter the mitochondria and whether the resulting yield is 2 or 3 ATP per NADH.

Detailed explanation-5: -One ATP provides 7.3 kcal energy. Therefore, 38 ATP yields 227.4 Kcal energy.

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