Download Cellular RespiraBon

Cellular Respira,on Stages, Reactants, Products Overview Formula for Cellular Respira,on: Overview C6H12O6 + 6O2 à 6CO2 + 6H2O + energy (ATP) Overview Where in the cell does Cellular Respira,on occur? Overview Cytoplasm & Mitochondria! Step 1: Glycolysis •  Where does Glycolysis occur? Step 1: Glycolysis CYTOPLASM! Step 1: Glycolysis •  Is oxygen required? Step 1: Glycolysis NO! the presence of oxygen determines what follows glycolysis Step 1: Glycolysis •  1 Glucose molecule à _________________ Step 1: Glycolysis •  1 Glucose molecule à 2 Pyruvate molecules! Step 1: Glycolysis •  # of ATP produced: _________________ Step 1: Glycolysis •  # of ATP produced: 2 (not very many!) Step 2: Krebs Cycle AKA – Citric Acid Cycle •  Where does the Krebs Cycle occur? Step 2: Krebs Cycle AKA – Citric Acid Cycle •  The MATRIX of the mitochondria! Step 2: Krebs Cycle AKA – Citric Acid Cycle •  Is oxygen required? Step 2: Krebs Cycle AKA – Citric Acid Cycle •  YES! (if no oxygen is present this step does not happen!) Step 2: Krebs Cycle AKA – Citric Acid Cycle •  2 Pyruvic Acid à _______________ Step 2: Krebs Cycle AKA – Citric Acid Cycle •  2 Pyruvic Acid à 6 CO2 (waste product) Step 2: Krebs Cycle AKA – Citric Acid Cycle •  # of ATP produced: _______ Step 2: Krebs Cycle AKA – Citric Acid Cycle •  # of ATP produced: 2! (not that many) Step 2: Krebs Cycle AKA – Citric Acid Cycle •  _________ & _________ are also produced… Step 2: Krebs Cycle AKA – Citric Acid Cycle •  NADH & FADH2 are also produced… Step 2: Krebs Cycle AKA – Citric Acid Cycle •  NADH & FADH2 are also produced… –  Serve as electron carriers for STEP 3!! Step 3: Electron Transport Chain •  Where does ETC occur? Step 3: Electron Transport Chain •  Inner membrane of mitochondria… •  AKA: Cristae Step 3: Electron Transport Chain •  Is oxygen required? Step 3: Electron Transport Chain •  YES! Step 3: Electron Transport Chain •  # of ATP Produced: ________ Step 3: Electron Transport Chain •  # of ATP Produced: 36! (most produced here!) FermentaWon •  If no oxygen is present, fermenta,on will follow Glycolysis! •  Two types: –  Lac,c Acid Fermenta,on –  Alcoholic Fermenta,on LacWc Acid FermentaWon •  In what type of cell does Lac,c Acid Fermenta,on occur? LacWc Acid FermentaWon •  ANIMAL CELLS LacWc Acid FermentaWon •  This follows ________________ if there is no _____________. LacWc Acid FermentaWon •  This follows GLYCOLYSIS if there is no OXYGEN. LacWc Acid FermentaWon •  2 _____________ are produced (and no addi,onal ATP!) LacWc Acid FermentaWon •  2 LACTATE molecules are produced (and no addi,onal ATP!) Alcoholic FermentaWon •  What types of cells does alcoholic fermenta,on occur in? Alcoholic FermentaWon •  PLANT Cells and YEAST Alcoholic FermentaWon •  This follows ________________ if there is no _____________. Alcoholic FermentaWon •  This follows GLYCOLYSIS if there is no OXYGEN. Alcoholic FermentaWon •  2 ____________ produced (no addi,onal ATP) Alcoholic FermentaWon •  2 ETHANOL produced (no addi,onal ATP)