Cellular respiration uses 1 molecule of glucose to produce approximately how many ATP molecules?

1 Answer
Dec 6, 2017

Here's a figure from my general biology text,

Biological Science

If you need more detail:

Glucose undergoes glycolysis, uses #2ATP# and produces #4ATP# through various biochemical reactions which I don't want to give you a headache explaining.

From there, 2 pyruvate molecules undergo processing: the remaining acetyl unit interacts with coenzyme A to produce the beginning molecules for the feared and infamous Krebs cycle.

This is where I'll just tell you eventually all of these electron acceptors (e.g. #NADH#, and #FADH_2#) fuel an electron-transport chain and produce approximately #29ATP# per glucose monomer.

Theoretically we should get somewhere near #40#, but some fun biochemistry occurs that prevents this from happening.