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Glycolysis and Gluconeogenesis: Energy Production and Regeneration of NAD+, Study notes of Chemistry

University of Massachusetts - AmherstChemistry

An overview of glycolysis and gluconeogenesis, two metabolic pathways involved in the breakdown and synthesis of glucose, respectively. The logic of the steps, the role of enzymes and their mechanisms, the differences between aerobic and anaerobic conditions, and the energetics and regulation of these processes. It also includes information on the aldolase mechanism and the role of acid-base and covalent catalysis.

Typology: Study notes

Pre 2010

Uploaded on 09/17/2009

koofers-user-cob
koofers-user-cob 🇺🇸

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Download Glycolysis and Gluconeogenesis: Energy Production and Regeneration of NAD+ and more Study notes Chemistry in PDF only on Docsity!

Glycolysis (Ch 16)

Wed 3/23/

Specifics:Logic of steps, harvesting energyGlycolysis overview

Enzyme mechanismsEnzyme structures - protecting active sites

covalent intermediate - coupling reactionsacid,base

Gluconeogenesis - synthesis of glucose, energy inputGlycolysis - breakdown of glucose, harvest energyAnaerobic conditions: regenerating NAD+

Energetics and regulationCommon and distinct steps

Gluconeogenesis

Quiz Friday

Very small amounts

Two-thirds

One-third

interconversion of thein aqueous solution;All forms are in equilibrium



and



anomers is called

mutarotation.

Aldolase mechanism

Glyceraldehyde 3-phosphate dehydrogenase

 Loop closes over S“perfect” enzymeAcid-base catalysisLobes close over SLobes close over S

/ 

barrel

barrel

Acid-base catalysis

 Lobes close over SLobes close over S

/ 

barrel

barrel

couplingCovalent catalysis -->