Several of the enzymes of glycolysis fall into classes that we will see often in metabolism. What reaction types are catalyzed by each of the following: Kinases Isomerases Aldolases Dehydrogenases
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- Several of the enzymes of glycolysis fall into classes that we will see often in
metabolism . What reaction types are catalyzed by each of the following:
- Kinases
- Isomerases
- Aldolases
- Dehydrogenases
Step by step
Solved in 2 steps
- The control of which enzyme exerts the most control on glycolysis? hexokinase phosphofructokinase glucose-6-phosphatase aldolaseSeveral of the enzymes of glycolysis fall into classes that we will see often in metabolism. What reaction types are catalyzed by each of the following: (a) Kinases (b) Isomerases (c) Aldolases (d) DehydrogenasesThe 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. Transketolase
- During glycolysis, fructose 1,6-biphosphate splits into two compounds: ______________ after reacting with aldolase and _____________Which glycolysis reactions are catalyzed by the following enzymes?(a) Pyruvate kinase(b) Glyceraldehyde 3-phosphate dehydrogenase(c) Hexokinase(d) Phosphoglycerate mutase(e) AldolaseThe intermediates of glycolysis are phosphorylated, but those of the citric acid cycle are not. Suggest a reason why.
- Fructose can enter glycolysis by hexokinase. If fructose is used for glycolysis what enzyme can be skipped in glycolysis? And why can this enzyme be skipped if fructose is used for glycolysis?The following are reactions encuntered in the metabolic cycles. Give the main class of enzymes that catalyzes these reactions 1. Alanine + Oxoglutarate ---> Pyruvate +GlutamateThe first step in glycolysis can be catalyzed by both hexokinase and glucokinase. Describe two differences between these enzymes.
- Hexokinase catalyzes the first step of glycolysis, in which glucose is phosphorylated to form glucose‑6‑phosphate. Give two reasons why a Mg2+ cation is required to facilitate this reaction.For the conditions below relating to Glycogenolysis, explain how glucose release would be affected. Would there be an increased, decrease, or no change compared to “normal” conditions? Also explain which enzyme/reaction is affected and why. 1. Condition: the debranching enzyme is inhibited 2. Condition: free inorganic phosphate is chelatedFor the two conditions below regarding Glycogenolysis, please explain how glucose release would be affected. Would there be an increased, decrease, or no change compared to “normal” conditions? Also explain which enzyme or reaction is affected and why. Condition 1: the debranching enzyme is inhibited Condition 2: free inorganic phosphate is chelated
