Question

What is the goal of krebs cycle and glycolysis and electron transport system?

Answer 1

This all actions have same goal that is to produce ATP. which is cell energy or cell currency. which is very important for a organisms to survive. but these all actions take place only in plants.

Net production of ATP from all of this is 38 ATP.

Glycolysis - 2 ATP
Kreb's Cycle - 6 ATP
Electron transport chain - 30 ATP.