Cellular Respiration Chapter 9 Cellular Respiration Process by which mitochondria break down food molecules to make ATP C6H12O6 + O2 CO2 + H2O + Energy Three Stages: Glycolysis Citric Acid Cycle (Krebs Cycle) Electron Transport Chain
Anaerobic vs. Aerobic Anaerobic Without oxygen Glycolysis, Fermentation Obligate Anaerobe Cannot survive in the presence of oxygen Tetanus Facultative Anaerobe Can use oxygen, but can survive in its absence
Yeast Aerobic Uses Oxygen Krebs and e- transport chain Produces a lot more energy Glycolysis Occurs in the cytoplasm of the cell Breaks down glucose ( 6-Carbon) into 2
pyruvic acid (3-Carbon) Makes 4 ATP, but uses 2 ATP = 2 ATP NAD+ accepts electrons to become NADH Those e- move to the e- transport chain Summary: Glycolysis makes 2 ATP, NADH, and 2 pyruvic acid. Citric Acid Cycle Begins after pyruvic acid is transformed into acetyl-CoA (this rxn also makes NADH) Occurs in the matrix of the mitochondria For every turn of the cycle the following are made:
1 ATP 2 CO2 3 NADH 1 FADH2 This cycle happens twice for each glucose Electron Transport Chain Located in the inner membrane of the mitochondria Similar to the e- transport chain in photosynthesis NADH and FADH2 supply the energized e ATP is produced and H+ is pumped into the
matrix of the mitochondria As the ATP moves out of the mitochondria more ATP is made Oxygen is the final e- acceptor at the end of the chain results in the formation of water Makes 32 ATP Summary of Cellular Respiration Glycolysis ATP
NADH 2 net (4 total) 2 Pyruvate 2 CO2
AcetylCoA Pyruvic acid to Acetyl-CoA Krebs (In 2 turns) 2 Electron Transport
Chain 32 6 FADH2 2 Other Products
CO2 H2O The 36 ATP produced in cellular respiration represent only about 38% of the energy stored in the sugar the rest of the energy is released as heat What if no oxygen is available? Glycolysis will continue, but if NAD+ is
not recycled it will stop, too. Less energy is produced only 2 ATP Fermentation cycles the NAD back to glycolysis, but does not produce energy Fermentation Lactic Acid Fermentation Makes lactic acid, CO2, and NAD+ Occurs in muscles when an oxygen debt is created
Alcoholic Fermentation Makes alcohol, CO2, and NAD+ Yeast and some bacteria
Other additions to Common Names include: Big-eyed bug, Mealybug, Bed Bug & Whitefly. These new additions might be found in your house, other buildings, your yard or garden (greenhouse, maybe?), on you, your family, pets, livestock, wild animals, the rangeland...
We need to turn equation (2) around, however, so that CO(g) is a product. Remember that when reactions are turned around, the sign of Δ. H. is reversed. We arrange the two equations so that they can be added to...
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Times New Roman Arial Arial Black brookshear_template miller_template 1_miller_template MathType 5.0 Equation Bitmap Image Slide 1 Chapter 9: Geometry Slide 3 Space Figures, Volume, and Surface Area Space Figures Regular Polyhedra (Platonic Solids) Space Figures Space Figures Space Figures Volume...
Covers: PC PDA Consoles Even cell phones All are formally modeled as Turing machines A game is a system In which players engaged in an artificial conflict defined by rules That results in a quantifiable outcome Stores + manipulates data...
Controlled Substance: Depressants. Affect. The Central Nervous System (CNS) by increasing the activity of GABA. GABA is a neurotransmitter that slows brain activity and causes drowsiness. Relieves Anxiety and produces sleep. Side Effects. Slurred Speech. Loss of coordination. Mixing with...
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