6A & B- Cellular respiration Flashcards
Cellular respiration
process where cells create usable energy in the form of ATP
Aerobic cellular respiration
cellular respiration when theres oxygen
glycolysis
First stage of aerobic celullar respiration. Glucose is converted to 2 pyruvate molecules
Krebs cycle
Second stage. Creates ATP, NADPH, FADH2 and the waste product CO2. Also called citric acid cycle or TCA cycle.
Electron transport chain
Third stage. Protein complexes embedded in the inner membrane of a mitochondrion uses the stored energy in NADH and FADH 2 to get large amounts of ATP
Identify the location of each stage in aerobic cellular respiration
Glycosis: cytosol
Krebs cycle: mitochondrial matrix
Electron transport chain: Cristae
Mitochondrial matrix
The space inside the inner membrane of mitochondrion.
crista (pl. cristae)
Folds of the inner membrane of mitochondrion
Input and output for citric acid cycle/Krebs cycle/TCA cycle
Inputs:
2 acetyl-CoA
2ADP + 2 Pi
6NAD +6 H
2 FAD + 4H
Outputs:
4CO2
2ATP
6NADH
2FADH2
Inputs and outputs for glycosis
Inputs:
Glucose (C6H12O6)
2ADP + 2 Pi
2NAD + 2 H
Outputs:
2 pyruvate
2 ATP
2 NADH
Inputs and outputs for electron transport chain
Inputs:
6O2 + 12H
26 or 28 ADP + 26 or 28 Pi
10 NADH
2FADH2
Outputs:
6H2O
26 or 28 ATP
10 NAD + 10 H
2 FAD + 4H
Anaerobic fermentation
Process of creating energy in the absence of oxygen. Cellular respiration when theres no oxygen.
lactic acid fermentation
Anaerobic fermentation in animals. Pyruvate is converted to lactic acid
Lactic acid fermentation inputs and outputs
Inputs: Same as glycolysis
Outputs:
Pyruvate –> 2 lactic acid
2 ATP
2 NADH
Ethanol fermentation
Anaerobic fermentation in yeasts. Pyruvate is converted to 2 ethanol molecules
