Card Set Information
Cellular respiration occurs three main stages
Cellular respiration occurs in three main stages
How many stages are in Cellular respiration?
In prokaryotic cells that use aerobic respiration, where do the steps occur?
in the cytoplasm
In prokaryotic cells, where is the electron transport chain embedded in?
the plasma membrane
What is stage 2 of cellular respiration?
the citric acid cycle
Where does the citric acid cycle take place?
how does the citric acid cycle complete the break down of glucose?
by decomposing a derivative of pyruvate to carbon dioxide
During the first 2 stages of CR is there a lot of ATP made?
What is the main function of glycolysis and the citric acid cycle?
to supply the 3rd stage (oxidative phosphorylation) with electrons
What process does oxidative phosphorylation include?
the ETC and chemiosmosis
What shuttles electrons into the ETC?
NADH and FADH
Where does NADH and FADH get shuttled into
the inner mitochondrion membrane
During what stage is most ATP made?
How do cells generate ATP?
through adding a phosphate to ADP
What couples the electron transport chain to ATP synthesis?
as the ETC transports electrons down the staircase, it also pumps hydrogen ions across the mitochondrial membrane
Where does H+ go after the inner mitochondrial membrane?
narrow intermembrane space
In chemiosmosis, which concentration gradient creates the potential energy which pumps the H+?
the ETC pumping H+ ions into the inner mitochondrial membrane into the narrow intermembrane space
What is ATP synthase?
protein complexes built into the inner membrane that synthesis ATP