Thioesters play important roles in glycolysis and tca cycle. List which reactions involve thioesters.
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Thioesters play important roles in glycolysis and tca cycle. List which reactions involve thioesters.
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- Using the ActiveModel for enoyl-CoA dehydratase, give an example of a case in which conserved residues in slightly different positions can change the catalytic rate of reaction.Both prokaryotic and eukaryotic organisms carry out some form of glycolysis. How does ha fact support or not support the assertion that glycolysis is one of the oldest metabolic pathways?Based on your knowledge of the structure of NAD+ and an assumption that coenzyme dissociation is the rate limiting step of the alcohol dehydrogenase mechanism, hypothesize why a N249W mutation at the coenzyme binding site would increase the rate of catalysis.
- Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is inhibited by· NIADH. Pyruvate dehydrogenase is inhibited by AΤΡ. Citrate synthase is inhibited by NADH. Succinyl-CoA activates citrate synthase. Acetyl-CoA activates pyruvate carboxylase.During glycolysis, fructose 1,6-biphosphate splits into two compounds: ______________ after reacting with aldolase and _____________hexokinase catalyzes the first reaction of the glycolysis pathway. What may happen if there is xylose in the reaction place? Briefly explain.
- How many enyzymatic reactions are there in glycolysis pathway?Using the glycerol-3-phosphate shuttle, determine how many ATP can be produced from one mole of each of the following compounds on complete oxidation?a.) Mannoseb.) Dihydroxyacetone phosphatec.) Citrated.) Malatee.) SuccinateWhich of the following products of the non-oxidative stage of PPP is an intermediate in the glycolysis pathway? Group of answer choices Glyceraldehyde-3-phosphate Xylulose-5-phosphate Erythrose-4-phosphate Ribose-5-phosphate
- Determine the number of carbon atoms present and the the total number of phosphate groups present in each of these following intermediates of glycolysis: a. Glyceraldehyde 3-phosphate b. 3-PhosphoglycerateThe rate limiting and committed step of the pentose phosphate pathway is catalyzed by which of the following enzymes? A. Glucose-6-phosphate dehydrogenase B. Hexokinase C. 6-Phosphogluconate dehydrogenase D. TransketolaseIn glycogenolysis, in the reaction: glu-6-phosphate to glucose. What reaction is involved? Name the enzyme. Identify the two pathways where this enzyme is used.
