Chapter 9 Cellular Respiration

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Cellular Respiration Stages
1. Glycolysis
2. Krebs Cycle (or TCH)
3. Electron Transport Chain (ETC)
ATP Produced in Cellular Respiration and Glycolysis
Glycolysis- 4 but a net gain of 2
Energy released from food
Gradually released from glucose and other food compounds
Electrons carriers in cellular respiration
NAD+ and FAD+
Types of Fermentation
Alcoholic & lactic acid
Lactic Acid Process
Is a biological process by which glucose, fructose, and sucrose, are converted into cellular energy and the metabolite lactate. It is an anaerobic fermentation reaction that occurs in some bacteria and animal cells, such as muscle cells.[1][2][3] If oxygen is present in the cell, many organisms will bypass fermentation and undergo cellular respiration; however, facultative anaerobic organisms will both ferment and undergo respiration in the presence of oxygen.[3] Lactate dehydrogenase catalyzes the interconversion ofpyruvate and lactate with concomitant interconversion of NADH and NAD+.
What enters krebs cycle
Pyruvic acid
Alcoholic Fermentation
P.A+NADH ----> Alcohol + CO2 + NAD+
Photo. & Cellular respiration
Photo- 6co2 + 6h2o Light> C6H12O6+6O2
c.r.- 6o2+c2h12o6 -----> 6co12 + 6h2o + energy
Where does glycolysis take place
Cytoplasm
Where does the krebs cycle take place
Mitochondrion
What does glycolsis produce
Pyruvis acid and electrons carried in NADH