How does the role of glucose-6- phosphate in gluconeogenesis differ from that in glycolysis?
Q: What are the regulatory means that prevent high levels of activity in glycolysis and gluconeogenesis…
A: Glycolysis is the first step of cellular respiration that deals with the breakdown of glucose to…
Q: Why is pyruvate carboxylase constitutive and active in both glycolysis and gluconeogenesis?
A: The pyruvate carboxylase got multiple sub units of enzymes. Here acetyl CoA helps as an regulatory…
Q: How does citrate from the citric acid cycle affect glycolysis?
A: Enzymes are biomolecules that are made generally out of proteins and they bring down the actuation…
Q: Is ketogenesis anabolic or catabolic? Thus, what initiates the ketogenesis in our body?
A: Most of the acetyl-CoA produced during fatty acid oxidation is used by the citric acid cycle or in…
Q: What effect is observed on the rate of gluconeogenesis under each of the following conditions? a.…
A: Carbohydrates and fatty acids are oxidized to generate energy for metabolic processes. Carbohydrates…
Q: What are the steps of glucose oxidations?
A: The glucose is the energy source of a cell that is being oxidized during the cellular respiration…
Q: What is the difference between transamination and oxidative deamination?
A: Amino acids possess an alpha-amino group, an alpha-carboxylic group, and a side chain. The…
Q: Why is glycogenesis necessary? Why is glycogenolysis necessary?
A: Glycogen is a polymer of glucose molecules linked by α-1,4 and α-1,6 glycosidic linkages which makes…
Q: What are the main features of gluconeogenesis?
A: Gluconeogenesis is the metabolic process by which organisms produce glucose for catabolic reactions…
Q: Why is glucose fermentation dependent on phosphate?
A: Glucose is the primary source of energy in almost all organisms. The glucose is broken down to form…
Q: Which enzymes of the citric acid cycle are missing from the glyoxylate cycle?
A: The glyoxylate cycle utilizes five of the eight enzymes associated with the tricarboxylic acid…
Q: What happens to the lactate that is formed during glycolysis?
A: Lactate also modulates 6-phosphofructo-1-kinase (PFK), the main enzyme controlling glycolysis ,…
Q: Why is glucose provided by glycogenolysis in the liver but not in skeletal muscle?
A: Through glycogenolysis process, glycogen broken down into glucose and provide energy. Muscle…
Q: . How would the rapid accumulation of succinyl-CoA affect the rate of glucose oxidation?
A: Cellular Respiration is the oxidative process through which energy is obtained from the food. The…
Q: Why is it important that gluconeogenesis is not the exactreverse of glycolysis?
A: Glycolysis is the process by which the glucose molecule from the food is broken down to produce…
Q: What are the possible fates of pyruvate in glycolysis?
A: The living organism obtains energy in the process of respiration. There are two types of respiration…
Q: How many NADH and FADH2 will be produced when this fatty acid is completely metabolized?
A: Fatty acid is the product of breakdown of triglycerides and lipids, and now this fatty acid undergo…
Q: Why is it essential that the mechanisms that activate glycogen synthesis also deactivate glycogen…
A: Glycogen is a polysaccharide that facilitates the energy storage functions in animals, bacteria,…
Q: What is gluconeogenesis?
A: Biochemistry is the study of the structure and functions of molecules involved in the living system.…
Q: How does insulin contribute in regulation of fatty acid metabolism?
A: Fatty acids are the simplest form of lipids and they serve as the constituent in a large number of…
Q: What are the functions of oxidative pentose phosphate pathway?
A: The pentose phosphate pathway is a metabolic pathway in which ribulose-5-phosphate, NADPH, and some…
Q: What is the importance of phosphorylation of glycolytic intermediate? and what are the possible…
A: Glycolysis is the anaerobic pathway to degrade the glucose molecule inside the cytoplasm of nearly…
Q: What amino acids yield citric acid cycle components and glycolysis intermediates when deaminated?
A: Metabolism can be defined as the chemical reactions that are performed in maintaining the living…
Q: How does pyruvate carboxylase deficiency result in lactic aciduria, an illness in which lactate…
A: Glucose metabolism is regulated by hormones and feedback system.
Q: Why is gluconeogenesis necessary?
A: Gluconeogenesis is the synthesis of glucose, activated when available glucose from diet and stored…
Q: How would the rapid accumulation of succinyl-CoA affect the rate of glucose oxidation?
A: Cellular Respiration is the oxidative process through which energy is obtained from the food. The…
Q: How Is Gluconeogenesis Regulated?
A: Introduction Gluconeogenesis is a metabolic pathway that results in glucose production from carbon…
Q: Why are the enzymes α-Amylase and α-glucosidase active in a patient with hyperglycemia or diabetes?…
A: Enzymes are biological catalysts that increase the rate of the reaction that occurs inside the…
Q: Why is gluconeogenesis important in cori cycle
A: In the presence of oxygen, the pyruvate produced by glycolysis undergoes oxidative decarboxylation…
Q: What roles do the first and last steps of glycolysis play in control of carbohydrate metabolism?
A: Glycolysis is the process of oxidation of glucose molecule hydrolysis into two pyruvate molecules…
Q: What are the substrates for gluconeogenesis? What role do fatty acids play ingluconeogenesis?
A: Gluconeogenesis is the metabolic pathway that results in the generation of glucose from certain…
Q: Which of the following is NOT an important precursor of glucose in animals when gluconeogenesis…
A: GLUCOSE 6 PHOSPHATE is not an important precursor of glucose in animals when gluconeogenesis occur.
Q: What is the source of the energy needed to incorporate glucose residues into glycogen? How is it…
A: Glycogen is a multibranched polysaccharide of glucose that serves as a form of energy storage in…
Q: What activates glycolysis and inhibits gluconeogenesis? Discuss.
A: Glycolysis and gluconeogenesis are enzyme-mediated metabolic pathways.
Q: How does beta-oxidation function in lipid (triglyceride) catabolism?
A: Fatty acid catabolism is the mechanism by which the body accesses energy stored as triglycerides.…
Q: What is the role of pyruvate dehydrogenase and what are its products?
A: Introduction:- Pyruvate dehydrogenase is an enzyme that catalyzes the reaction of pyruvate and a…
Q: How does pyruvate from glycolysis get to the pyruvate dehydrogenase complex?
A: Pyruvate dehydrogenase complex : It is a complex of three enzymes that converts pyruvate into…
Q: How does Pyruvate dehydrogenase contribute to metabolism?
A: Pyruvate dehydrogenase (PDHs) describes a cornerstone in the metabolismof cellular energy that links…
Q: What triggers gluconeogenesis? Then, what is the main purpose of gluconeogenesis?
A: The metabolic mechanism gluconeogenesis produces glucose from non-carbohydrate carbon sources.…
Q: What is gluconeogenesis? What are the different enzymes involved in gluconeogenesis? What are the…
A: Glucose is the main source of energy in the body. It is obtained from the digestion of carbohydrates…
Q: Avidin, a protein found in egg whites, binds to biotin so strongly that it inhibits enzymes that…
A: Avidin was naturally found in the raw eggs whereas the affinity of biotin was destroyed upon…
Q: How do glucokinase and hexokinase differ in function?
A: Glucose is the primary source of the energy in the cell, which helps to produce energy.
Q: What is the net synthesis of ATP when one molecule of fructose-6-phosphate gets converted into 2…
A: All cells require energy in the form of ATP to carry out a variety of functions, such as active…
Q: Why are compounds such as glyceraldehyde- 3-phosphate, pyruvate, and acetyl-CoA so important in…
A: Glyceraldehyde 3-phosphate is an intermediate during glycolysis. Pyruvate is the end product of…
Q: what effect would an increase in glucose typically have on the activity of glycogen synthase
A: Effect of glucose-6-phosphate on glycogen synthase activity in the liver. Glucose-6-phosphate is an…
Q: What is the difference between glycogenesis and glycogenolysis?
A: Glucose is the main energy providing biomolecule present in our body. Glucose is required in the…
Q: What is the role of biotin in gluconeogenesis?
A: Gluconeogenisis is the metabolic process in which glucose was synthesized from non-carbohydrate…
Q: What is gluconeogenesis? Why is it important?
A: Gluconeogenesis is the process of synthesis of glucose from non-carbohydrate sources like proteins…
Q: What is the role of sugar phosphates in gluconeogenesis?
A: Cell metabolism can be defined as the chemical process occurring in a living cell that plays an…
How does the role of glucose-6- phosphate in gluconeogenesis differ from that in glycolysis?
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- What is gluconeogenesis? Why is it important?Which steps of glycolysis are irreversible? What bearing does this observation have on the reactions in which gluconeogenesis differs from glycolysis?What is the cost (in ATP equivalents) of transforming glucose to pyruvate via glycolysis and back again to glucose via gluconeogenesis?