In the reaction catalyzed by malate dehydrogenase, what molecules are classified as the reduced donor?

Q: Why is the reaction catalyzed by citrate synthase considered a condensation reaction?

A: The citric acid cycle is the oxidation metabolic pathway that leads to the production of electrons…

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: To what class of enzymes does hexokinase belong? Describe in general the reaction it catalyzes.

A: An enzyme is a substance that acts as a catalyst in living organisms, regulating the rate at which…

Q: Name the substrate for each of the following enzymes and the products produced from the…

A: Enzymes are proteins that act as biological catalysts to accelerate chemical reactions inside the…

Q: Explain why people with Medium-chain acyl-CoA dehydrogenase deficiency are advised to eat a diet…

A: People with Medium-chain acyl-CoA dehydrogenase (MCAD) deficiency are advised to eat a diet rich in…

Q: Why Alpha-Ketoglutarate dehydrogenase (a-KGDH) called deficiency? What are the probable causes?…

A: Alpha-ketoglutarate dehydrogenase (alpha-KGDH) is a tightly controlled enzyme that regulates…

Q: What kind of inhibitor is threo-sphingosine? Explain this type of inhibition.

A: Introduction:  Enzymes are the catalyst of life. Enzyme inhibitor is defined as a substance which…

Q: Why are the protein-digesting enzymes trypsin and chymotrypsin secreted as the zymogen…

A: The pancreas is made of pancreatic exocrine cells. The ducts are arranged in clusters, these cells…

Q: Outline the steps involved in the production of malonylCoA from acetyl-CoA.

A: Fatty acids are the long hydrocarbon chain compound attached to the carboxylic group making the…

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: Identify the Krebs cycle enzyme that consumes a 3-carbon substrate molecule, producing a 2- carbon…

A: A sequence of reactions within the living organism during which oxidization of acetic acid or acetyl…

Q: Select the following enzymes that utilize a mechanism involving covalent catalysis. Triose phosphate…

A: In covalent catalysis, the enzymes temporarily forms a covalent bond with the substrate, forming an…

Q: Select the following enzymes that utilize a mechanism where ATP serves as the phosphate donor.…

A: Aerobic metabolism is a set of three basic metabolic processes that occur in cells to generate…

Q: Describe the two models that explain the binding of allosteric enzymes. Use either model to explain…

A: The allosteric site is a site that allows molecules to either activate or inhibit the enzyme…

Q: Mercuric ion and methanol are inhibitors of alcohol dehydrogenase. Explain.

A: Alcohol (ADH) dehydrogenase is an enzyme that helps in the interconversion of alcohol into ketones…

Q: what is the metabolic reaction of propinoyl CoA carboxylase?

A: Propinoyl CoA carboxylase is an enzyme responsible for carboxylation reaction. Propinoyl CoA is…

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: Is carbonic anhydrase a metalloprotease? If so, what is the mechanism for the enzyme and a proposed…

A: A metalloprotease is a type of metalloenzyme where a metalloenzyme has a metal ion at its active…

Q: How is the urea cycle linked to the citric acid cycle? Write the net equation of the urea cycle and…

A: The urea cycle is the biochemical reaction that produces urea from the toxic substance ammonia and…

Q: What is ornithine transcarbamylase (OTC)deficiency ?

A: Ornithine transcarbamylase (OTC)deficiency is a rare x linked recessive genetic disorder…

Q: Name the glycolytic enzymes that are allostericallyregulated.

A: Glycolysis is the cytoplasmic pathway which breaks down glucose into two three-carbon compounds and…

Q: Phosphoenolpyruvate is a common substrate found in what two pathways?

A: Phosphoenolpyruvate is an important intermediate in biochemical pathways. Chemically it is an ester…

Q: What is the metabolic advantage in the conversion of glucose to lactate, in which there is no net…

A: Metabolism is term which is used to describe all chemical reactions involved in maintaining the…

Q: What is the metabolic fate of propionyl CoA?

A: Introduction: A coenzyme is propionyl-CoA. A propionic acid derivative. It has a total carbon chain…

Q: What is the catalytic triad on chymotrypsin? Detail its importance.

A: Proteases are hydrolytic enzymes that cleave peptide bonds that link two amino acid residues…

Q: Describe the alcohol dehydrogenases of humans and S. cerevisiae. How do they differ?

A: The alcohol dehydrogenase is an enzyme found in eukaryote prokaryote and lower eukaryote.

Q: What are the similarities and differences between the reactions catalyzed by pyruvate dehydrogenase…

A: Introduction Respiration is a metabolic process involving the oxidation of organic compounds to form…

Q: Why is the TCA cycle is important for both anabolic and catabolic reactions?

A: After each turn of the TCA cycle, oxaloacetate is regenerated and can combine with another…

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: Thiolase is homologous in structure to the condensing enzyme. On the basis of this observation,…

A: Thiolases are enzymes that are involved in the mevalonate pathway. They convert two units of…

Q: What does Succinyl coa By-products in krebs cycle?

A: Kreb cycle is a process in which a series of chemical reactions takes place in order to release the…

Q: Human beings contain two different carbamoyl phosphate synthetase enzymes. One uses glutamine as a…

A: The ATP-dependent synthesis of carbamoyl phosphate from glutamine or ammonia is catalyzed by…

Q: Diagram the reactions involving glutamate dehydrogenaseand glutamine synthetase that produce…

A: Glutamine synthetase (GS) is a nitrogen metabolism enzyme that plays an important role. Glutamate…

Q: Write out a complete mechanism for the conversion of serine into aminoacrylate catalyzed by serine…

A: Serine dehydratase is also known as L-serine ammonia-lyase. It releases ammonia upon the examination…

Q: What is a potential fate of propionyl CoA?

A: Proppionyl CoA is a coenzyme a derivative of propionic acid. It is composed of a 24 total carbon…

Q: [methyl-14C]Pyruvate was administered to isolated liver cells in the presence of sufficient malonate…

A: When the radioactive pyruvate at methyl carbon (carbon number 3) would be administered to the liver…

Q: Infants do not have the ability to metabolize ethanol and are assumed to lack the enzyme alcohol…

A: Ethanol is used for in neonatal and infant liquid medications. However, the pharmacokinetics,…

Q: Identify the substrate and products of the TCA cycle. Describe its organization in general terms.…

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…