Q: How does the action of allosteric effectors differ in the reactions catalyzed by phosphofructokinase…
A: Glycolysis is breakdown of glucose. It is a ten step enzymatic process. Phosphofructokinase is an…
Q: Why are transamination reactions important in both thesynthesis and degradation of amino acids?
A: Transamination reactions are the process by which amino groups and transferred to acceptor keto…
Q: What is the mechanism of chymotrypsin catalysed by enzymes without cofactors?
A: CHYMOTRYPSIN is a digestive enzyme of pancreatic juice acting on the duodenum where it performs…
Q: The metabolic precursor for the production of most eicosanoids is
A: Introduction: Eicosanoids are very small natural molecules that derived from film bound,…
Q: under what conditions would it have Beta galactosidase activity? JAlith
A: Beta galactosidase work with lactose
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: Which isoenzyme of Lactate dehydrogenase is present in blood?.
A: Isoenzymes are physically different from of enzyme that catalyses same biochemical reactions.
Q: Why is AMP and not ADP the positive regulator of phosphofructokinase?
A: Metabolic pathways are defined as the set of chemical reactions occurring in the body. Metabolic…
Q: Why does trypsin inhibitor exist?
A: Trypsin is an enzyme secreted in the small intestine to continue the process of protein digestion…
Q: How does the action of allosteric effectors differ in the reactions catalyzed by phosphofructokinase…
A: Allosteric effectors are the molecules that bind with one of the active sites of an enzyme that are…
Q: The amino acids glutamine and glutamate are central toamino acid metabolism. Explain.
A: The metabolism of amino acids plays a vital role in our body to aid various biological reactions.…
Q: What is a likely source of oxaloacetate?
A: Oxaloacetate is the intermediate product that was formed in the citric acid cycle. and used in the…
Q: Where is deoxyribonuclease found in the body?
A: Deoxyribonucleic acid (DNA) is the hereditary unit of life, which carries the genetic information in…
Q: What is purine catabolism?
A: Nucleic acids are the major class of biomolecules that are important for all forms of the organism.…
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: The following enzymes belong to the same class of enzymes, except for A. Chymotrypsin B. Thrombin C.…
A: Enzymes are chemical substances which speed up the reaction process. There are many classes of…
Q: Why can’t the reactions of the glycolytic pathway simply be run in reverse to synthesize glucose?
A: Metabolic pathways are defined as the set of chemical reactions occurring in the body. Metabolic…
Q: What is ornithine transcarbamylase (OTC)deficiency ?
A: Ornithine transcarbamylase (OTC)deficiency is a rare x linked recessive genetic disorder…
Q: Why is oxaloacetate an intermediate in gluconeogenesis?
A: Glucose is the primary source of energy in the body. Glucose is broken down into pyruvate by…
Q: Why does it make metabolic sense for UTP to inhibit carbamoyl phosphate synthetase II, whereas ATP…
A: Feedback inhibition is a cellular control mechanism in which the activity of the enzyme is inhibited…
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 does a young mouse maintained on a diet deficient in methionine fail to thrive unless choline is…
A: Methionine is an important antioxidant and prevents the body from radiation and also harmful…
Q: Name the anabolic pathway that synthesizes fatty acids.
A: Fatty acid synthesis is the important anabolic pathway in most organisms which involves de novo…
Q: Which reaction of the IMP → AMP pathway resembles a reaction of the urea cycle?
A: Synthesis of purine yields inosine monophosphate (IMO). IMP is a precursor of adenosine…
Q: Why does the lack of glucose 6- phosphatase activity in the brain and muscle make good physiological…
A: Glucose is considered as an important energy source for all cells. It is required by the body in…
Q: Why is citrate an appropriate inhibitor of phosphofructokinase?
A: Citrate allosterically inhibits phosphofructokinase by enhancing the inhibitory effect of ATP
Q: What is meant by the statement that a pathway is amphibolic?
A: There are various biochemical reactions that occur in each living organism. They are important for…
Q: Why is gluconeogenesis labeled as enzymatic by-pass reactions?
A: Glucose is a central carbohydrate in body. It is the instant energy generating molecule. Whenever…
Q: What type of reaction is catalyzed by isocitrate dehydrogenase and a-ketoglutarate dehydrogenase?
A: Oxidative decarboxylation is a process in which carbon dioxide is produced through the removal of a…
Q: Why is phenylketonuria resulting from dihydropteridine reductase deficiency a more serious disorder…
A: Phenylketonuria (PKU) is a rare genetic condition that causes an amino acid called phenylalanine to…
Q: What are the two essential amino acids in the active site of chymotrypsin?
A: Serine-195 and Histidine-57 (involved in catalytic actions) are the two essential amino acids in…
Q: What is the mechanism of action of acetylcysteine
A: In persons with lung disorders such as asthma, emphysema, bronchitis, and cystic fibrosis,…
Q: What would be the most direct result if NAG (N-acetylglucosamine acid) could not be synthesized?
A: NAG(N-acetylglucosamine acid) - This process acts as a secondary amide in the middle of acetic acid…
Q: Where does aspartate enter the urea cycle and what compound does it eventually leave as? What…
A: Urea cycle or the ornithine cycle is the metabolic process in which highly toxic ammonia is…
Q: What would be the fate of oxaloacetate if there were sufficient fluoroacetate present?
A: The Kreb cycle begins with the condensation of an oxaloacetate, and the acetyl group of acetyl-CoA.…
Q: What reaction glucoamylase catalyzes and why?
A: Glucoamylase is a widely used and oldest biocatalyst in the food industry. The glucoamylase is…
Q: What prevents the phosphatase activity of PP1 from always inhibiting glycogen degradation?
A: Introduction: Glycogen is stored in the liver and skeletal muscle. To maintain the glucose levels in…
Q: What other product is generated by phosphoglycerate kinase?
A: Phosphoglycerate kinase is a phosphoglycerate kinase enzyme. It's a transferase, like other kinases.…
Q: Why does a phosphorylation/dephosphorylation system allow more sensitive regulation of a metabolic…
A: Enzymes catabolize metabolic processes. The enzymes are regulated in various ways: allosteric…
Q: Discuss the mechanism of action of the enzyme chymotrypsin.
A: Chymotrypsin is a serine protease that catalyses hydrolytic reactions. It specifically hydrolyses…
Q: Why CaCl2 is used in the plants?
A: Plants are the autotrophs and primary producers in the food chain. Plants leaves contain…
Q: If acetyl-CoA containing radiolabeled carbons in the acetyl group was used to synthesize leucine,…
A: Amino acids are biosynthesized from the intermediates of glycolysis, tricarboxylic acid cycle or the…
Q: What would be the effect of a mutation that decreased the activity of phosphatidic acid phosphatase?
A: Phosphatidic acid phosphatase is a fat-regulating enzyme that regulates the balance of phosphatidic…
Q: How do the critical amino acids catalyze the chymotrypsin reaction?
A: Chymotrypsin is synthesized in the pancreas as a precursor called chymotrypsinogen that is…
Q: Inhibition of oxamic acid causes what type of inhibition?
A: Oxamic acid is an organic acid with the molecular formula H2NC(O)CO2H. Oxamic acid is synthesized…
Why does the enzyme reaction for chymotrypsin proceed in two phases?
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Solved in 2 steps
- What are the metabolic effects of not being able to produce the M subunit of phosphofructokinase?What is the end product of catabolism of the pyrimidine base thymine? What circumstances cause excess amounts of this end product, and why doesn’t this molecule (unlike uric acid, the end product of purine catabolism) cause a gout-like illness?What is ornithine transcarbamylase (OTC)deficiency ?