Upon entering a cell, glucose is phosphorylated. Give tworeasons why this reaction is required.
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Upon entering a cell, glucose is phosphorylated. Give two
reasons why this reaction is required.
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- Why is glucose phosphorylated to become glucose-6-phosphate? Group of answer choices to isomerize it to glucose 1 phosphate to activate the enzyme hexokinase to trap glucose inside the cell and commit it to the pathway to form bisphosphate moleculesGluconeogenesis takes place during intense exercise, which seems counterintuitive. Why would an organism synthesize glucose and at the same time use glucose to generate energy?A glycogen polymer and an amylopectin polymer, each containing 100 monosaccharide subunits, are cleaved completely by an enzyme. How many individual glucose molecules are created during this process?
- Why would it be advantageous for a cell to use glucose before lactose?In 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.During glycolysis, fructose 1,6-biphosphate splits into two compounds: ______________ after reacting with aldolase and _____________
- Glycogen phosphorylase, an enzyme that catalyzes the breakdown of glycogen to form glucose, is active when a phosphate group is added. This is an example of enzyme regulation by ____________________________.Describe the role that phosphorylation plays in glucose metabolismfill in the blank with the correct term and explain why that term fits best to the following , one reason to phosphorylate glucose is to increase the number of available noncovalent interactions between the phosphorylated sugar and the enzymes, thus increasing the ____________.
- Glucose binds to glycogen phosphorylase and competitively inhibits the enzyme. What is the physiological advantage of this?What kind of reaction is catalyzed by each of the following enzymes? a. citrate decarboxylase b. oxalate reductase c. serine transaminaseName three ketone bodies and describe their functions.