Which statement regarding glycolysis is TRUE? Group of answer choices Both substrate-level phosphorylation reactions in glycolysis are irreversible. The oxidation reaction in glycolysis produces two high-energy molecules. There are four isomerization reactions in glycolysis. One inorganic phosphate is consumed as a substrate for each glucose molecule metabolized via glycolysis
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- The control of which enzyme exerts the most control on glycolysis? hexokinase phosphofructokinase glucose-6-phosphatase aldolase(Biochemistry topics: Glycolysis, Citric Acid Cycle, and Electron Transport.) There is a reciprocal regulation of glycolytic and gluconeogenic reactions interconverting fructose-6-phosphate and fructose-1,6-biphosphate. Which one of the following statements about this regulation is not correct? This regulation allows control of the direction of net metabolite flow through the pathway. Fructose-2,6- bisphosphate activates phosphofructokinase-1. Fructose-2,6-biphosphate inhibits fructose-1,6-bisphosphate. The fructose-1,6-bisphosphatase reaction is exergonic. The PFK1 reaction is exergonic.Indicate at what step in the glycolysis pathway each of the following events occur 1. First phosphorylation of ADP occurs 2. First “energy rich” compound is produced 3. Second “energy rich” compound undergoes reaction 4. First isomerization reaction occurs 5. Second formation of ATP occurs 6. Second “energy rich” compound is produced 7. ATP is converted to ADP for the second time 8. A dehydration reaction occurs
- Which one of the following regarding the chemistry of glycolysis & gluconeogenesis is FALSE? Reaction 6 of glycolysis catalyzed by glyceraldehyde-3-phosphate dehydrogenase involves oxidation & addition of a P; group. Reaction 3 of gluconeogenesis catalyzed by enolase involves hydration, the addition of water to a carbon-carbon double bond (C=C) to form an alcohol. Reaction 1 of gluconeogenesis catalyzed by pyruvate carboxylase involves decarboxylation. Reaction 9 of gluconeogenesis catalyzed by fructose-1,6-bisphosphatase involves dephosphorylation (phosphoester hydrolysis). Reaction 1 of glycolysis catalyzed by hexokinase involves phosphorylation (using ATP). O 0000Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many substrate level phosphorylation events occur from a single molecule of glucose? 6 substrate level phosphorylation events 4 substrate level phosphorylation events 3 substrate level phosphorylation events 2 substrate level phosphorylation events None of the above answers are correctFill in the blanks with the numerical answer only: Number of electrons generated in oxidation of 1 glucose to 2 pyrvuate in glycolysis. Number of electrons generated in the oxidation of 2 pyruvate by pyruvate deheydrogenase complex. Number of electrons generated for complex II in oxidation of 2 acetyl CoA via the TCA Cycle. 1.
- Draw OUT THE arrow pushing reaction mechanism for the following steps of glycolysis: SHOW/IDENTIFY the arrow pushing mechanism in at least 2 steps. CH,OPO CH,OH hexokinase 2+ H H H H H H ОН + ATP OH H ADP + H+ H ОН + НО HO OH H ОН H ОН Glucose-6-phosphate (G6P) Glucosechoose the metabolic pathway being described in the statement choices: Digestion Glycolysis Formation of Acetyl CoA Krebs Cycle ETC Reactions Glycogenesis Glycogenolysis Gluconeogenesis produced reduced coenzymes enter another aerobic cellular respiration biochemical hub of cells of all primary metabolites catalyzed primarily by glycogen synthase release of first CO2 in cellular respiration breaking of glycosidic linkages of glycogen absorption of glucose in the blood stream hydrolysis of dissacharide series of release of small amount of energy reducing oxygen to water requires pumping of hydrogen ions catalyzed initially by glycogen phosphorylaseThioester play an important role in glycolysis and the TCA cycle. Which reactions in glycolysis and tca cycle involve thioesters.
- The intermediates of glycolysis with a free energy of hydrolysis sufficient to couple conversion of ADP + phosphate to ATP (a substrate level phosphorylation) include (Choose all that apply) O phosphoenolpyruvate O 2-phosphoglycerate O 1,3-bisphosphoglycerate O glucose-6-phosphate. O fructose-6-phosphate. O fructose-1,6-bisphosphate. O dihydroxyacetone phosphateAre there any alternatives or body Event What happens when Oxygen is present What happens when Oxygen is absent mechanism to resolve it? Explain Glycolysis OH Pyruvate HC-H c-c-C-H C-C-C-H OH Glycolysis он c-c-C-H of OH 6 OH 2D 2 NADH Pyruvate Glucose www.google.com/search?q=picture+of+glycolysis Acetyl CoA Krebs FAD Cycle FADH NADHH ATP co. Single cycle: 2. co, : 1 ATP : 1 FADH, : 3* NADH + H Two cycles: 4 co, 2ATP 2 FADH, : 6- NADH H https://www.google.com/search?q=picture+of+krebs+cycle Electron Transport Chain Ireerm e spae Cnplen coa Conples N Complex Cyt Fel NADH MAD Suoule Fmu ATP synthase 120, Maru Erzyme compexen of the electron transport ehala ADP P. ATP .ttps://www.google.com/search?q=PICTURE+OF+ELECTRO N+TRANSPORT+CHAINWhich statement is FALSE concerning glycolysis? Group of answer choices It is activated by high [AMP]. It results in a net synthesis of ATP. It results in the synthesis of NAD+. None of the 11 intermediates in the glycolytic pathway are phosphorylated.