Oxygen
Oxygen is the final electron acceptor, no part of the process - from the Krebs Cycle through the electron transport chain- can happen without oxygen. Aerobic respiration is complete
<span>Prokaryotic organisms lack membrane bound nuclei as well as organelles.
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Examples
-bacteria
-algae
That would be the nervous system.
C. Convection currents assist in the transfer of thermal energy from warmer climates to cooler climates.
