BIOL 1141 Chapter Notes - Chapter 8: Glyceraldehyde 3-Phosphate, Deamination, Catabolism

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Energy is extracted from glucose molecule: released step wise, allows atp to be produced eiciently, oxidaion reducion enzymes include nad+ and fad as coenzymes. Electrons are removed from substrates and received by oxygen, which combines with h+ to become water f: glucose is oxidized and o2 is reduced h, max yield of 36 to 38 atp molecules. Energy within a glucose is released slowly for gradual producion of atp: nad+ (nicoinamide adenine dinucleoide) a. Coenzyme of oxygen-reducion: oxidized: looses/ gives up electrons, reduced: accepts/ gains electrons b. Each nad+ molecule used over and over again. Someimes used instead of nad+ a. b: accepts 2 electrons and 2 hydrogen ions (h+) to become fadh2, phases of cellular respiraion, glycolysis: breakdown of glucose (6-carbon) into 2 molecules of pyruvate (3-carbon) Occurs in cytoplasm, not in mitochondria a: atp formed, doesn"t uilize oxygen (anaerobic) d. Preparatory reacion: both molecules of pyruvate oxidized and enter matrix of mitochondria b. c.

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