BIOL 200 Chapter Notes - Chapter 193-194: Pyruvic Acid, Starch, Glycogen
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BIOL 200 Full Course Notes
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Intermediates in glycolysis can be used in the synthesis of ribonucleotides and deoxyribonucleotides: nucleotides then build rna and dna. Glycolysis: oxidizing glucose to pyruvate, metabolic pathways can be studied in vitro (outside the organism, researchers found that the reactions can go on for longer than normal if inorganic phosphate is added to the mixture. In both eukaryotes and prokaryotes all 10 reactions of glycolysis occur in the cytosol: energy investment phase, glycolysis starts by using atp, not producing it. In the first step glucose is phosphorylates to form glucose-6-phosphate: the second reaction rearranges the sugar to form fructose-6-phosphate, the third reaction adds a second phosphate group, forming fructose-1, 6-biphosphate. In reactions 1-5, two atp molecules are used up before any atp is produced: energy payoff phase, reactions 6-10, the first high-energy molecules are produced in the sixth reaction, two molecules of.