Answer:The Krebs cycle functions in order to turn glucose into ATP. This is done by creating the process of oxidating the glucose. Once this has been completed the glucose turns into ATP. This then creates energy that can be taken into the next level of respiration at the cellular level.
Nobody seems to be giving a straight forward answer, and if I'm being honest I'm not entirely sure which answer it is. But I'd have to go with A - To produce large amounts of ATP molecules. Sorry if it's wrong.
I hypothesize that the cells are producing many proteins. This is because rough endoplasmic reticulum has ribosomes on the surface and ribsomes function is to make proteins.
