Glucose and Oxygen are the reactants
The answer is hymen. Hope this helps. If you have any other questions you need help with, feel free to message me. :)
I think the answer is letter B if I'm remembering correctly.
In the complete reactions of aerobic respiration, the vibration for the majority of ATP synthesis is provided bt a proton gradient across a membrane.
The proton gradient brings by the electron transport chain drives ATP synthesis by the protein ATP synthase.