The enzyme phosphoglucomutase interconverts glucose-1-phosphate and glucose-6-phosphate. Why is this enzyme likely to include a side chain such as Ser in its active site?

Q: How does control of the glucose6-phosphatase reaction differ from that of the fructose-1,6-…

A: Gluconeogenesis is the formation of glucose. It resembles reversal of glycolysis. Three steps of…

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 class does the following enzyme belong to: GTP Hydrolases Lyases Ligases Transferases…

A: Enzymes are proteins that catalyze chemical reactions in living organisms. It is highly specific to…

Q: The complete oxidation of glucose 6-phosphate derived from free glucose yields 30 molecules ATP,…

A: Glycolysis is the catabolic process of glucose into two molecules of pyruvate, ATP, and NADH. these…

Q: Conversion of glucose 6-phosphate to glucose is done by the enzyme glucose 6-phosphatase which is…

A: Glucose metabolism is regulated by the hormones glucagon and insulin. Glucose metabolism involves…

Q: The phosphorylation catalyzed by hexokinase is essentially an irreversible reaction. Which of the…

A: Under cellular conditions, hexokinase converts glucose to glucose 6-phosphate while simultaneously…

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: What type of enzyme is phosphofructokinase? And why is it in that category?

A: Phosphofructokinase is one of the most important regulatory enzymes of the glycolysis. It is an…

Q: Which are the Two paths are available to this glucose 6-phosphate?

A: The study of chemical reactions that occurs within living organisms is called biochemistry. This…

Q: If an isolated liver cell runs out of glucose, the cell will break down glycogen into…

A: A series of reactions that converts the glucose into two pyruvates, which are molecules with three…

Q: Why is acetyl phosphate considered an energy-richcompound while glucose 6-phosphate is not?

A: Energy-rich compounds are compounds having specific structural capabilities that result in a release…

Q: Consider the mechanism of enolase, as indicated below. Which of the following correctly describes…

A: Before going into the solution, we should know what general base and general acid species are in…

Q: What form of activated glucose is used in the biosynthesis ofglycogen by bacteria?

A: Bacteria are member of a large group of unicellular microorganisms. It has cell walls but lack…

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: What enzyme catalyzes the conversion of fructose 1,6-bisphosphate to fructose 6-phosphate?   Group…

A: Fructose 1,6-bisphosphate to fructose 6-phosphate: Requires removal of phosphate group from 1st…

Q: Which reaction is irreversible? oxidized glutathione + NADPH + H+ → reduced glutathione + NADP+…

A: Introduction:   When a reaction is irreversible, it cannot be reversed, i.e. the products do not…

Q: What is the end product of catabolism of the pyrimidine base thymine? What circumstances cause…

A: Pyrimidines undergo ring cleavage during the process of catabolism and the usual end products of…

Q: What would be the result of a lack of glucose 6-phosphatase activity?

A: Glucose 6-phosphatase deficiency was caused due to lack of the enzyme glucose-6-phosphatase which…

Q: Glucose is phosphorylated to glucose-6-phosphate by hexokinase in the first step of the glycolytic…

A: Reactions that have a positive value of Delta G are not favorable in nature. Hence in order to…

Q: What properties of glucokinase allow it to phosphorylate glucose in the liver when the blood glucose…

A: Glucokinase is an enzyme that facilitates phosphorylation of glucose to glucose-6-phosphate.…

Q: What is the major activator (non-allosteric, direct-activator) of phosphorylase?  How does this…

A: The entire number of biochemical processes involved in sustaining the living circumstances of cells…

Q: Why "cellulose is composed of a long, branced chain of B-glucose subunits" is false?

A: Introduction Polysaccharides, also known as polycarbohydrates, are the most common type of…

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: Can you please explain this pathway on the slide?

A: Metabolism is the series of chemical reactions that occurs inside the living body for the production…

Q: What is the mechanism of an enzyme reaction involving a coenzyme for Redox Rxns?

A: Enzymes are a class of proteins that performs various activities in the living body. They are also…

Q: whyThe method of oxidation of galactose by concentrated nitric acid is used to detect this sugar?

A: Qualitative tests help to detect the presence of different carbohydrates in a given sample.…

Q: Why is it that only 2ATP molecules are required to store one glucose molecule as glycogen?

A: Glycogen is a homopolymer that is made up of repeated units of alpha-D-glucose and it is connected…

Q: If G6P is labeled at its C2 position, where will the label appear in the products of the pentose…

A: The alternative pathway of glucose oxidation is the pentose phosphate pathway that includes two…

Q: What are the main differences between beta oxidation of saturated fatty acid and beta oxidation of…

A: Beta oxidation is a catabolic process in which fatty acids are broken down into acetyl co A and…

Q: During glycogen synthesis, glucose-1P is converted into a molecule called UDPG. This reaction also…

A: The glycogen synthesis takes place in animal tissues. The glycogen synthesis begins with glucose 6-…

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: Name four amino acids that can be converted directly (in one step) into pyruvate or a citric acid…

A: Introduction Protein is the most abundant macromolecule in our body. Proteins perform various…

Q: Classify the following enzymes: Oxidoreductase, Hydrolase, Transferase, Lyase, Ligase, Isomerase 1.…

A: Introduction: Enzymes are biological catalysts that mean catalysts of life. They are protein by…

Q: The pentose phosphate pathway provides a number of critical functions including     ["production of…

A: The pentose phosphate pathway (PPP) is an alternate or parallel metabolic pathway to glycolysis.…

Q: What is the role of lactase and why is it important in the human body?

A: The lactase enzyme is encoded by the LCT gene in humans. This enzyme is also known as…