what is the Hereditary enzymopathies of pentose phosphate pathway, fructose and galactose metabolism
Q: As a protective mechanism, when this cellular ATP drops, the body takes the fructose and breaks it…
A: Introduction Fructose can be converted to glucose derivatives and stored as liver glycogen, Glycogen…
Q: How can the synthesis and breakdown of fructose-2,6-bisphosphate be controlled independently?
A: Glycolysis is regulated in 3 steps and is 1.Glucose-6-phosphate formation 2.Fructose -6-phosphate to…
Q: Which of the following describes the process by which we store glucose ? gluconeogenesis…
A: Glucose is the most abundant monosaccharide. It belongs to the category of carbohydrates. It is…
Q: How does control of the glucose-6-phosphatase reaction differ from that of the…
A: Glucose-6-phosphatase is an enzyme that catalyzes the hydrolysis of glucose-6-phosphate into glucose…
Q: How does the hydrolysis of fructose-1,6- bisphosphate bring about the reversal of one of the…
A: Glycolysis is a metabolic process that breaks down glucose to form pyruvate and two adenosine…
Q: How is synthesis and degradation of fructose-2,6-bisphosphate achieved?
A: Fru-2,6-P2, or fructose 2,6-bisphosphate, is a metabolite that regulates glycolysis and…
Q: How is the pentose phosphate pathway controlled?
A: The pentose phosphate pathway is a metabolic pathway that runs parallel to glycolysis. It is also…
Q: Which of the following is an anabolic pathway O glycogenolysis O glycolysis O gluconeogenesis O…
A: Anabolic pathway assembles the small molecules into large molecule and the catabolic pathway breaks…
Q: Why is it that sucrase cannot catalyze the formation of sucrose from glucose and fructose?
A: Sucrase enzymes are set on the brush border of the little internal organ.
Q: How do aminotransferases and glutamate dehydrogenase cooperate in the metabolism of the amino group…
A: Aminotransferases belong to transferases enzyme that transfers one group into another and glutamate…
Q: Which of the following enzymes are involved in gluconeogenesis ? a) Pyruvate carboxylase b)…
A: Gluconeogenesis is the pathway of formation of glucose from glucogenic amino acids with the help of…
Q: What is the cost (in ATP equivalents) of transforming glucose to pyruvate via glycolysis and back…
A: Glycolysis is an oxidative process in which one mole of glucose is partially oxidized into the two…
Q: Explain why the amino acid tryptophan is both ketogenicand glucogenic.
A: The amino acid is the organic acid that contains alpha carboxyl group, alpha amino group, hydrogen…
Q: How many molecules of Pyruvate can form from Glycerol metabolism as a by-product of fatty acid…
A: The major precursors of gluconeogenesis are lactate, glycerol, alanine, ketone bodies like…
Q: What are the breakdown products of lactose
A: Lactose is a carbohydrate that is a disaccharide in nature made up of two monosaccharides, it is…
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 the effect on gluconeogenesis and glycogen synthesis of (a) increasing the level of ATP, (b)…
A: Gluconeogenesis is the biochemical pathway in which glucose is produced as the end product. The…
Q: What is the key enzyme of glycolysis which catalyzes the production of fructose-1,6-bisphosphate?
A: Phosphofructokinase is the key enzyme of glycolysis that catalyzes the production of fructose 1,6…
Q: What enzyme is responsible for the addition of UDP-glucose to the growing glycogen chain during…
A: Glycogenesis is the addition of glucose molecules to glycogen chains for storing purposes. This…
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: Why is it advantageous that breakdown of glycogen gives rise to glucose-6-phosphate rather than to…
A: Introduction The phosphorolytic cleavage of glycogen results in the formation of glucose-6-phosphate…
Q: Which of the following enzymes is responsible for the addition of UDP-glucose to the growing…
A: Glycogenesis is the addition of glucose molecules to glycogen chains for storing purposes. This…
Q: Which of the following is NOT a non-carbohydrate material in gluconeogenesis? Choices: Lactate…
A: From the non-carbohydrate source, glucose is synthesized called gluconeogenesis. It is a…
Q: What is the key enzyme of glycolysis which catalyzes the production of fructose-1,6-bisphosphate?…
A: Here phosphofructokinase a key enzyme catalyse the production of fructose 1,6- bisphosphonate. It…
Q: What is the common end-product of the catabolism of the branched chain amino acids that are…
A: Amino acids are converted to the TCA cycle intermediates through transamination reactions. The TCA…
Q: Why is it advantageous for the liver to have both hexokinase and glucokinase to phosphorylate…
A: Introduction: Glucokinase is an enzyme that aids in the phosphorylation of glucose to produce…
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: among the amino acids which is directly converted into pyruvate for gluconeogenesis" a. theorine…
A: The synthesis of glucose from noncarbohydrate sources is known as gluconeogenesis. This process can…
Q: What enzyme catalyzes the conversion of fructose 1,6-bisphosphate to fructose 6-phosphate? O…
A: Enzyme: Enzymes are proteins that enable our bodies metabolism, or chemical reactions, to go more…
Q: What is the key enzyme of glycolysis which catalyzes the production of fructose-1,6- bisphosphate?…
A: Glycolysis is a major pathway of glucose metabolism in which glucose is metabolized to pyruvate but…
Q: What kind of protein is lactase, the biomolecule that speeds up the breakdown of lactose?
A: Proteins are bimolecules as well as biopolymers composed of amino acids as their monomeric units.
Q: What is the first step in the conversion of 3-phosphoglycerate into the fructose 6-phosphate?
A: Gluconeogenisis is the process of synthesis of glucose from non-carbohydrate sources such as…
Q: What biological molecules are affected by lactose intolerance and how
A: Lactose is a sugar found in milk and other dairy products that occurs naturally. Lactose intolerance…
Q: All of the following are substrate for gluconeogenesis, except- A. Glucogenic amino acids B. Lactate…
A: Gluconeogenesis is the process generation of glucose from some non carbohydrate substrate.
Q: Which of the following describes the process of converting a pyruvate back to glucose?…
A: Glycolysis is a metabolic pathway which is catalyzed by enzymes and convert glucose into two…
Q: do lactose intolerant people produce too much or too little lactase?
A: The decreased ability of the body to absorb lactose is termed as lactose intolerance. Lactose is a…
Q: Which of the following enzymes functions in opposition of PFK, and therefore is inhibited by…
A: Glycolysis is a metabolic pathway through which glucose is converted into pyruvate and…
Q: An allosteric regulator of glycogen synthase is: UDP-glucose. cAMP. glucose 1-phosphate. ATP.…
A: Introduction: The enzymes glycogen synthase and glycogen phosphorylase control the allosteric…
Q: What is a characteristic of an amino acid, which is ketogenic but not glucogenic? The amino acid can…
A: Glucogenic amino acids: Those amino acids that on catabolism yield the pyruvate or any…
Q: Does thiamine pyrophosphate play a role in the reactions of the pentose phosphate pathway? If so,…
A: Yes, thiamine pyrophosphate plays a very important role in the reaction of the pentose phosphate…
Q: The pentose phosphate pathway is composed of two distinct phases. What are the two phases and what…
A: Introduction: The pentose phosphate pathway (PPP) is a branch of the glycolytic or gluconeogenic…
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…
what is the Hereditary enzymopathies of pentose phosphate pathway, fructose and galactose
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- what effect would an increase in glucose typically have on the activity of glycogen synthaseWhich of the following enzymes functions in opposition of PFK, and therefore is inhibited by fructose-2,6-bisphosphate? Fructose 1,6-bisphosphatase Glucokinase Pyruvate Carboxylase Glucose 6-phosphataseWhy is it that sucrase cannot catalyze the formation of sucrose from glucose and fructose?
- Why is pentose phosphate pathway important for increased lipolysis in adipose tissue in response to CHO overfeedingWhat is the deficiency of Vitamin B6 and how does it affect amino acid metabolismWhat does it mean when a person is lactose intolerant? Biologically, what causes this? How can it temporarily be treated?
- In gluconeogenesis, what are the precursors of glucose? Select all that apply. lactate amino acids glycogen glycerol fatty acidsWhat are the functions of oxidative pentose phosphate pathway?What enzyme is responsible for the addition of UDP-glucose to the growing glycogen chain during glycogenesisa. Glycogen lyaseb. Glycogen phosporylasec. Glycogen synthased. Glycogen synthetase
- What is the effect on the biosynthetic pathways if the oxidative branch of a person’s pentose phosphate pathway is inactive? What effect would it have on the glycolytic pathway?What is the effect on gluconeogenesis and glycogen synthesis of (a) increasing the level of ATP, (b) decreasing the concentration of fructose-1,6- bisphosphate, and (c) increasing the concentration of fructose-6- phosphate?What are the main products of the pentose phosphate pathway? (both branches, select all that apply) Ribose-5-phosphate NADPH Xylulose-5-phosphate glyceraldehyde-3-phosphate Glucose-6-phosphate