Net gain of ATP molecules during aerobic resp | vedclass

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(A) During aerobic respiration, the complete oxidation of one molecule of glucose occurs through glycolysis, the link reaction, the Krebs cycle, and t

Vedclass · Accepted Answer

$36$ molecules

Vedclass · Answer

(A) During aerobic respiration, the complete oxidation of one molecule of glucose occurs through glycolysis, the link reaction, the Krebs cycle, and the electron transport system $(ETS)$.In eukaryotic cells, the net gain of $ATP$ is typically $36$ molecules.This is because $2$ $ATP$ are produced in glycolysis, $2$ $ATP$ (or $GTP$) in the Krebs cycle, and the remaining $ATP$ are generated via oxidative phosphorylation in the $ETS$ using the $NADH$ and $FADH_2$ produced.While some older textbooks mention $38$ $ATP$, the modern consensus accounting for the cost of transporting $NADH$ into the mitochondria (via the malate-aspartate shuttle or glycerol-phosphate shuttle) results in a net yield of $30$ to $32$ $ATP$ in many tissues, but $36$ remains the standard answer in many academic contexts for eukaryotic aerobic respiration.

Net gain of $ATP$ molecules during aerobic respiration is

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