Pyruvate PowerPoint PPT Presentations

E2 transfers ethanol to CoA and lipoate reduces the alcohol to a keto group. E3 uses FAD to oxidize lipoate to S-S producing FADH2; NAD then oxidizes FADH2 ...

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FATES OF PYRUVATE Depends upon presence or absence of O2 Anaerobic conditions: 1)alcohol fermentation pyruvate converted to ethyl alcohol 2)lactic acid ...

Introduction of Glucose Metabolism Lecture-3 Fate of Pyruvate & Citric Acid Cycle Fate of pyruvate 1- Lactate (in cytosol) Enzyme: lactate dehyrogenase (LDH) in ...

Pyruvate Metabolism Dr. Sooad Al-Daihan Biochemistry department Introduction: In animals, pyruvate has a few main fates. Pyruvate can be converted to alanine ...

Two Fates of Pyruvate Importance of Fermentation Fermentation: -Allows for the regeneration of NAD+ -Produces Lactic acid or Alcohol (ethanol) -Important in industry ...

The pyruvate produced from glucose during glycolysis can be further metabolized ... For some anaerobic organisms (like yeast), the pyruvate is fermented to ethanol ...

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2. Under aerobic conditions, NADH reoxidized by passage of its e- to O2 ... 2. Hydrolysis of lactone to 6-phosphogluconate - by lactonase - free acid formed. 29-12 ...

Pyruvate Oxidation or Oxidative Decarboxylation (if oxygen is present ) The following occurs for each pyruvate: CO2 removed. NAD+ reduced to NADH and the 2 ...

aerobically, only 2 ATP is produced instead of 36-38 ATP. ... Brain has extraordinary high energy demand to maintain the ionic concentration ...

Pyruvate - Lactate Which one ends Glycolysis? Glycolysis ends with the synthesis of pyruvate. But, to be self-functioning, it must end with lactate.

Oxidative decarboxylation of Pyruvate / Acetyl CoA Pyruvate Dehydrogenase Complex, Enzymes and coenzymes Formation of Acetyl CoA, Regulation of ...

Modelling of pyruvate decarboxylases from ethanol producing bacteria ... Preference of ZpPDC and SvPDC enzymes for aliphatic 2-ketoacids. Acknowledgment ...

Chapter 11 (part 2) Regulation of Glycolysis Pyruvate can go in three major directions after glycolysis Under aerobic conditions pyruvate is oxidized to Acetyl-CoA ...

... 23-3a Biotin and carboxybiotinyl enzyme. ( a) Biotin consists of ... ( b) In carboxybiotinyl enzyme, N1 of the biotin ureido group is the carboxylation site. ...

Chapter 9 (part 3) Krebs Cycle. Cellular Respiration. Oxidation of Pyruvate. 2005-2006 ... So why the Krebs cycle? If the yield is only 2 ATP, then why? value ...

The conversion of glucose into 2 pyruvate molecules. Other sugars enter glycolysis at various steps and are also converted into 2 pyruvates. Pyruvate Oxidation Under ...

Anaerobic and Aerobic Glycolysis Topics that will be covered Glycolysis The glycolysis pathway Now what can be done with pyruvate? The fate of pyruvate So then ...

... KG ALT Alanine PLP Oxidative Decarboxylation of Pyruvate Allosteric Regulation PDH Complex: Covalent Regulation Pyruvate dehydrogenase complex (active) ...

What happens to pyruvate. Pyruvate. Aerobic - presence of oxygen ... pyruvate forms lactic acid. Lactic acid is transported to liver to be converted ...

Lactate dehydrogenase was used in the reaction to catalyse conversion of the resultant pyruvate to lactate with concomitant oxidation of -NADH cofactor2. ...

... King Saud University Fates of Pyruvate Oxidative decarboxylation into Acetyl CoA: the enzyme is pyruvate dehydrogenase complex (PDH). It occurs in mitochondria.

Dephosphorylation of glycerate 1,3-diphosphate Glycerate 1,3-diphosphate dephosphorylates in two stages Stage 1 Stage 2 pyruvate glycerate 3-phosphate

Fermentation (anaerobic respiration) No oxygen Many different types 2 examples: Alcoholic fermentation in yeast Pyruvate acetaldehyde + CO2 ethanol (alcohol ...

Title: Cellular Respiration Oxidation of Pyruvate Krebs Cycle Author: Ramirez, Isis Last modified by: isis.ramirez Document presentation format

The 'Two' Fates of Pyruvate. from Alberts et al. Molecular Biology of the Cell. TCA Cycle ... What are some of the possible fates of pyruvate in E. coli? ...

Ethanolic fermentation 2 pyruvate + 2 NADH - 2 ethanol + 2 CO2 Recap of Fermentations, cont. Respiration Aerobic Respiration In aerobic respiration, ...

Champe, Harvey and Ferrier, Lippincott's Illustrated Reviews ... in muscle and adipose tissue. ... derived from muscle, adipose tissue: pyruvate and ...

Midterm Final Review Part I Types of Fermentation Alcohol fermentation Pyruvate Ethanol + CO2 Ex. bacteria, yeast Used in brewing, winemaking, baking Lactic acid ...

Animation: How an Electron Microscope Works Section 5 The Nucleus The Nucleus The nucleus encloses DNA, ... The pyruvate is converted to acetyl-CoA, ...

ADP, ATP and Cellular Respiration ... Pyruvate is oxidized to Acetyl CoA and CO2 is ... Electron Transport Chain Animation ADP, ATP and Cellular Respiration ...

inner membrane pyruvate from cytoplasm electron transport system H+ Coenzymes give up electrons, hydrogen (H+) to transport system e NADH acetyl-CoA

How Cells Harvest Energy Chapter 9 Outline Cellular Energy Harvest Cellular Respiration Glycolysis Oxidation of Pyruvate Krebs Cycle Electron Transport Chain

Tricarboxylic Acid Cycle (TCA), Krebs Cycle Occurs totally in mitochondria Pyruvate (actually acetate) from glycolysis is degraded to CO2 Some ATP is produced

Glycolysis I 11/03/09 * * * * * * * * * * * * * * * * * * * * * * * * * * Glycolysis The conversion of glucose to pyruvate to yield 2ATP molecules 10 enzymatic steps ...

HOMEOSTASIS: THE LIVER AND PANCREAS CHAPTER 2.2 Pyruvate lactate + CO2 + heat (NADH NAD+, in muscle with no oxygen) Lactate formation from glycolysis in muscle is ...

Glycolysis and Citric Acid Cycle Bridged via Pyruvate Dehydrogenase * * * * * * * * * * * Pyruvate is moved from the cytosol to the mitochondrion Matrix membrane ...

Then: Val = 2 FADH2 pyruvate NADPH 2 NADH NH3. Then: Val = 6 NADH GTP 3 ... Then: Val = malate 3 NADH 2 FADH2 NH3. Isoleucine Degradation ...

standard of care (Lactate Ringer) vs hypertonic saline. 6 studies - 223 patients ... Main objective : effects on lactate/pyruvate ratio (redox potential) ...

Cellular Respiration: Presence of oxygen Aerobic conditions Produces large amounts of ATP Occurs in the mitochondria of the cell Pyruvate formed from glycolysis is ...

Whenever carbohydrates are not available for. metabolism, fatty acid oxidation is accelerated ... Less carbohydrate means less pyruvate. Less pyruvate means less OAA. ...

outer membrane. intermembrane space. pyruvate enters mitochondria. glycolysis in cytoplasma ... membrane. Fig. 9-8c, p. 142. inner membrane. pyruvate from cytoplasm ...

PA is converted to Acetyl CoA & CO2. Yields NADH. Occurs in the mitochondria. NAD CO2, NADH ... Pyruvate (3 C) Acetyl-CoA (2 C) Pyruvate dehydrogenase. step two ...

Cellular Energetics By Liz and Christine Cell Respiration Glycolysis Net 2 ATP Pyruvate Oxidation CO2 produced Krebs Cycle aka Citric Acid Cycle 1 ATP made per each ...

Fermentation Anaerobic respiration Anaerobic bacteria Use inorganic molecules as their electron acceptors Nitrates sulfate Fermentation Pyruvate is reduced by NADH ...

Prior to entering the Krebs Cycle, pyruvate must be converted into acetyl CoA. ... Transition of pyruvate to acetyl CoA. We are now back at the beginning of the ...

Pyruvate is Converted into Acetyl CoA to Enter the Krebs Cycle. Pyruvate is Transported into the ... The most common convergent point is acetyl CoA. ...

glucose C-C-C-C-C-C Overview 10 reactions convert glucose (6C) to 2 pyruvate (3C) produces: 4 ATP & 2 NADH consumes: 2 ATP net: 2 ATP & 2 NADH fructose-1,6bP

glucose C-C-C-C-C-C Overview 10 reactions convert glucose (6C) to 2 pyruvate (3C) produces: 4 ATP & 2 NADH consumes: 2 ATP net: 2 ATP & 2 NADH fructose-1,6bP

A soluble or dissociated multienzyme system. with diffusing ... Branched chain amino acid dehydrogenase. Multienzyme systems. Pyruvate-dehydrogenase (PDH) ...

Blank Presentation. Accenture Firmwide Templates v10.0. ... Gluconeogenesis CH 339K PEP Carboxykinase Malate Shuttle Pyruvate Carboxylase is mitochondrial OAA reduced ...

Probing early eukaryotic evolution using phylognetic ... Pyruvate Acetyl CoA. 2H H2. Pi ADP ATP. pyruvate ferredoxin oxidoreductase. PFO. Fe-hydrogenase ...

Stage I A preparatory stage in which glucose is ... 1) Pyruvate decarboxylase requires thiamine pyrophosphate TPP as a cofactor. ... Thiamine pyrophosphate ...

Pre-Krebs and Krebs Cycle Take place in the mitochondria 2 pyruvate molecules enter the mitochondria from the cytoplasm 3 Functions: Produces NADH and FADH2 Produces ...

Creatine Phosphate. Glycogen. LDH. Lactate/Pyruvate. NADH/NAD. Glycogen. Alcohol Abuse. Ethanol ... G-3-P to 1,3 BPG (Glycolysis) Lactate to Pyruvate (Glycolysis) ...