Which of the following are correct statements pertaining to the glycolytic pathway? Choose all correct statements. Glucose is a substrate for the first reaction of glycolysis, Glycolysis is an aerobic process Glycolysis takes place in the cytoplasm of the cell. Glycolysis is the process by which glucose is converted to acetyl CoA Major products of glycolysis include pyruvate, ATP and NADH Next Page Page 31 of 36
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- Which of the following statements are correct of enzymes that are isoenzymes of each other? Choose all correct answers. Iṣoenzymes are affected by the exact same allosteric effectors Isoenzyme catalyse the same biochemical reactions Isoenzymes are encoded by the same gene (DNA) Isoenzymes may be subject to different types and levels of regulation Isoenzymes have different primary structures.Which enzyme is used in gluconeogenesis that bypasses step 1 of Glycolysis in the production of free glucose from Glucose 6-phosphate? Group of answer choices Hexokinase Glucose 6 phosphatase Glucokinase Glucose 1-phosphataseWhich statement is TRUE regarding the glycolytic pathway? It includes five phosphate transfer reactions. All of the enzymes that are regulated by product inhibition. It includes reactions catalyzed by three isomerase enzymes. All of the enzymes are regulated by high ATP concentratrion
- Identify the 4 steps of gluconeogenesis that are different from glycolysis. Write the reactants, enzymes, cofactors/coenzymes and products involved in the gluconeogenesis pathway.Which of the following events occurs during the energy-payoff phase of glycolysis? One carbon of a pyruvate molecule is oxidized to carbon dioxide. Oxaloacetate receives a two-carbon acetyl group from acetyl coenzyme A to form citrate. Substrate-level phosphorylation Oxidative Phosphorylation In which stage of aerobic cellular respiration are FADH2 molecules produced? Pyruvate Oxidation Glycolysis Krebs Cycle Electron Transport Which of the following events does not occur during pyruvate processing (pyruvate oxidation)? One carbon atom of each pyruvate is oxidized to carbon dioxide. NAD+ coenzyme is reduced to NADH. The remaining two carbon atoms of pyruvate (acetyl unit) reacts with coenzyme A to produce acetyl CoA. FAD coenzyme receives two hydrogen atoms to produce FADH2.Which of the following products of the non-oxidative stage of PPP is an intermediate of the glycolysis pathway? Group of answer choices Xylulose-5-phosphate Fructose-6-phosphate Erythrose-4-phosphate Ribose-5-phosphate
- Which of the following statements about glucose metabolism is correct? * Red blood cells can catalyse aerobic glycolysis because they contain oxygen bound to haemoglobin. Fructose cannot be used for gluconeogenesis in the liver. Glycolysis can proceed in the absence of oxygen only if pyruvate is formed from lactate in muscle. All of the reactions of glycolysis are freely reversible for gluconeogenesis. Red blood cells can only metabolise glucose by anaerobic glycolysis and the pentose phosphate pathway.How many ATP or NADH molecules are produced or required in each of the following steps in glycolysis? Match the words in the left column to the appropriate blanks in the sentences on the right. zero one two produced required In the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate, NADH molecules are In the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate, NADH molecules are In the conversion of phosphoenolpyruvate to pyruvate molecules are ATP and Reset ATP and ATP and Help NADHasap
- choose 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 phosphorylaseThe term "glucose" refers to hexoses and their sources in general. As much as one third of the glucose respired by plants does not enter glycolysis directly. Rather, the glucose goes through the oxidative pentose phosphate pathway (phosphogluconate shunt) first. What are the advantages and disadvantages of sending glucose through the oxidative pentose phosphate pathway?Relate the names and function and functions of the following glycolytic enzymes to steps in the process of glycolysis 1. Phosphofructokinase 2. Phosphoglyceromutase 3. Triosephosphate isomerase 4. Enolase 5. Hexokinase