Describe how regulation by malonyl-CoA benefits the cell.

Q: Identify the means by which the pyruvate dehydrogenase complex is regulated.

A: Pyruvate dehydrogenase is a convergence point in the regulation of the metabolic finetuning between…

Q: Describe the fate of glycerol generated from triacylglycerolhydrolysis in adipocytes.

A: When triacylglycerols is mobilized from the fat tissue, its hydrolysis to free fatty acids and…

Q: Explain the efficiency of using the citric acid cycle to oxidize acetyl CoA.

A: The citric acid cycle or TCA cycle is a series of chemical reactions used by all aerobic organisms…

Q: After several days of starvation, the capacity of the liver to metabolize acetyl-CoA via the citric…

A: The citric acid cycle is involved in cell respiration and produces NADH and FADH2 for the electron…

Q: Define about Fatty acid synthase – multienzyme complex and its regulatory role ?

A: Fatty acid synthase is a multienzyme complex (protein) that catalyzes the fatty acid synthesis.…

Q: 28. Describe how regulation by malonyl-CoA benefits the cell.

A: Malonyl Co-A is a coenzyme derived from malic acid.It plays very crucial role in chain elongation in…

Q: What are the precursors needed to synthesize myristic acid? O 7 malonyl-CoA H O 3 acetyl-CoA, 4…

A: Introduction: Myristic acid is also known as tetradecanoic acid, which is a saturated fatty acid…

Q: Butch Cassidy and the Sundance Kid. Glutamate dehydrogenase requires which of the following…

A: Glutamate dehydrogenase is a hexameric enzyme that converts the amino acid glutamate into keto acid…

Q: Explain why adipocytes need glucose as well as fatty acids in order to synthesize triacylglycerols.

A: Triacylglycerol is the main component of body fat in humans and other animals (as well as vegetable…

Q: Briefly describe the action of glucagons on free fatty acids

A: Hormones are the messengers that transmit signals from one to another. They bind to another cell…

Q: The rate-limiting enzyme of fatty acid synthesis pathway is

A: Fatty acids can be synthesized from carbs and amino acid when taken in excess. The enzymes required…

Q: Describe the role of acetyl-CoA, acyl carrier protein (ACP), and fatty acid synthase in fatty acid…

A: Fats are an important storage biomolecule in the human body. When plenty of glucose is available in…

Q: Identify the three important products of the oxidative pentose phosphate pathway AND indicate how…

A: The Oxidative Pentose Phosphate pathway is a metabolic pathway alternative to glycolysis for…

Q: Explain the mode of action of glucoamylase.

A: An enzyme is a protein that is capable of accelerating the rate of a biochemical reaction by…

Q: Pyruvate is converted to acetyl-CoA by the enzymes of the _____________ enzyme complex.

A: Pyruvate is produced in the cytoplasm by glycolysis.

Q: Compare and contrast the pathways of fatty-acid breakdown and biosynthesis. What features do these…

A: Introduction Fatty acid metabolism is associated with the step-wise building up of biologically…

Q: Explain the mechanism by which beta-oxidation of fatty acids is controlled.

A: The oxidation of fatty acids takes place in three stages.  The first stage is beta-oxidation. It…

Q: Acetyl-CoA and succinyl-CoA are both highenergy thioesters, but their chemical energy is put to…

A: The tricarboxylic acid (TCA) cycle, is also known as the Krebs or citric acid cycle, is the main…

Q: Discuss briefly but concisely the importance of the following metabolic pathway.  D.…

A: Metabolism is the set of chemical reactions that keep organisms alive. Food is broken down into…

Q: Describe the movement of energy during acetyl–CoA formationand the citric acid cycle.

A: It takes acetyl CoA start text, C, o, A, end text—produced by the oxidation of pyruvate and…

Q: Would you expect insulin to increase or decrease the activity of the enzyme ATP-citrate lyase?

A: The insulin is a peptide hormone produced by the beta cells of pancreatic islets. The insulin is…

Q: Explain the relationships between lipogenesis and citric acid cycle.

A: Metabolism is a word that refers to all chemical reactions that occur during the regulation of the…

Q: What problem would arise if acetyl-CoA were not converted to ketone

A: Acetyl CoA produced by beta oxidation, what happen when acetyl coa not convirted into ketone bodies.…

Q: Describe how one molecule of glucose is converted to acetyl CoA.

A: A metabolic route is a sequence of interrelated biological processes that transform a substrate…

Q: Describe the synthesis of palmitic acid starting from acetyl CoA and malonyl-CoA.

A: Palmitic acid, or hexadecanoic acid in IUPAC nomenclature, is the most common saturated fatty acid…

Q: Explain the activation of long chain fatty acids.

A: ACTIVATION OF AMINO ACID: Fatty acids are activated by reaction with CoA to form fatty acyl CoA. The…

Q: Show a balanced equation for the synthesis of glucose from acetyl-CoA via the glyoxylate cycle

A: The glyoxylate cycle is a cyclic pathway that converts two molecule of acetyl-CoA to one molecule of…

Q: Write down the beta oxidation pathway of fatty acid metabolism.

A: Beta oxidation is a catabolic process of fatty acid molecules break down to produce energy. The long…

Q: All of the following compounds have sufficiently high group transfer potentials to lead to the…

A: Group transfer potential : It is quantitative measurement of the strength of attachment of the group…

Q: give five biological effects of disorders of the citric acid cycle

A: The tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the primary…

Q: In the glyoxylate cycle, two molecules of acetyl-CoA areconverted into _______________ and malate.

A: Introduction: The glyoxylate cycle, a variation of the tricarboxylic acid cycle, is an anabolic…

Q: Write the names of the reactions in which Acetyl CoA is obtained and used in metabolism and explain…

A: Acetyl CoA is a molecule that is known to participate in a number of chemical reactions. The…

Q: Outline how an inability to completely break down the amino acids lysine, hydroxylysine and…

A: Fatty acid oxidation is the mitochondrial aerobic process of breaking down a fatty acid into…

Q: Describe the sources and fates of acetyl CoA

A: The enzyme which takes part in the various biochemical reaction and delivering of the acetyl group…

Q: rounds of beta axidation are required to produce complete oxidation of this fatty acid: CH3(CH2)7CH…

A: Beta oxidation is a fatty acid (FA) oxidation process which occurs in the mitochondria. Fatty acids…

Q: GTP or ATP is produced during the conversion of ________. a. isocitrate into α-ketoglutarate b.…

A: A purine nucleoside triphosphate is guanosine-5'-triphosphate (GTP). During the transcription…

Q: After three rounds of oxidation, the fatty acyl-CoA has been shortened by carbons due to the…

A: Oleic acid is an example of mono unsaturated fatty acid (MUFA) as it has a cis double bond between…

Q: Explain why triacylglycerols should be the principal source of stored metabolic energy.

A: The most basic lipids produced by fatty acids are triacylglycerol's, generally known as…

Q: Describe the role of multifunctional enzymes in both fatty acid synthesis andoxidation.

A: the role of multifunctional enzymes in both fatty acid synthesis and oxidation: