Cellular Respiration Flashcards
4 Steps of Cellular Respiration
Glycolysis, Pyruvate Oxidation, Citric Acid Cycle, Oxidative Phosphorylation
Glycolysis overview
needs 2 ATP investment; makes 4 ATP, 2NADH, pyruvate and H2O
Pyruvate Oxidation overview
the CO2 in pyruvate is released, coenzyme A is attached, becomes acetyl CoA and produces 2 NADH
Citric Acid Cycle overview
acetyl CoA enters cycle, NAD and FAD accept hydrogens while carbons are released through CO2 and ATP is made
Oxidative Phosphorylation overview
using a proton gradient and chemiosmosis, the electron transport chain seperated NADH/FADH2 and produces extra Hs that power ATP synthase
Glycolysis inputs and outputs
input: glucose, 2 ATP; output: pyruvate, 2 ATP, water, 2 NADH
Pyruvate Oxidation inputs and outputs
input: pyruvate, coenzyme A; output: CO2, 2 NADH, acetyl CoA
Citric Acid cycle inputs and outputs
input: acetyl CoA; outputs: CO2, 6 NADH, 2FADH2, ATP
Oxidative Phosphorylation inputs and outputs
input: 8 NADH and 2 FADH2; output: water and 34 ATP
total ATP produced in cellular respiration
38 ATP
two types of anaerobic respiration
lactic acid fermentation, ethanol fermentation
lactic acid fermentation
pyruvate turns into lactic acid and only 2 ATP are produced, only glycolysis occurs; NADH gives H to make lactic acid
ethanol fermentation
pyruvate turns into ethyl alcohol and CO2, only glycolysis occurs so only 2 ATP produced
Cellular respiration equation
C6H12O6 + 6 O2 –> 6 CO2 + 6 H2O + Energy
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