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BIOL 201 (261)
Greg Brown (52)
Lecture 4

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Biology (Sci)
BIOL 201
Greg Brown

Lecture 4 or /science/ours/sura [email protected] Stage 1: conversion of polymer into monomers through hydrolysis, ready to be absorbed Stage 2: building up of monomers into a 2C molecule, as an intermediate, an acetyl group attached to CoA into Acetyl-CoA. The 2C comes off as CO2, in a series of redox reactions, NAD gains the electrons, transformed into NADH. Oxygen is the final e- acceptor, producing water. ATP is then generated through a process of oxidative phosphorylation. Glycolysis: Berg’s biochemistry 453-469. Conversion of glucose into pyruvate, and the oxidation of NAD+ into NADH. Could take place without oxygen, fermentation as it requires the regeneration of NAD+, producing lactic acid in muscle and ethanol in yeast. Unlike aerobic energy production, produces a final organic compound. Steps. 1. Invest 2 ATP, to produce a 1,6, di phosphate fructose molecule. Prevents glucose from leaving th the cell. Caused by hexase kinase on the 6 carbon first first, phosphofructose kinase adding the PO4 on the first carbon after. PPFK acts as the pacema
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