Question 8 Elevated levels of acetyl-CoA will directly act as an effector for which of the following enzymes? (Select all that apply) Pyruvate carboxylase. Pyruvate dehydrogenase. Alpha-ketoglutarate Dehydrogenase

Q: Explain how the g-glutamyl cycle acts to transport aminoacids across a membrane. How does the…

A: Gamma-Glutamyl cycle is mainly a glutathione salvage pathway. It is an essential pathway for the…

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 does the enzyme reaction for chymotrypsin proceed in two phases?

A: Enzymes are the biocatalysts that increase the rate of biochemical reactions happening inside the…

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: Which are the two Sources of Cytosolic Ca21+?

A: Cell signaling allows cells to receive and respond to the surrounding signals. This is mediated by…

Q: Why lactose cannot be used to replace IPTG?

A: Why lactose can not be used to replace IPTG? IPTG:- isopropyl thiogalactopyranoside usually mimic…

Q: Rapid regulation of pyruvate dehydrogenase complex is achieved via which of the following?…

A: Pyruvate is the end product of glycolysis. Under aerobic conditions, pyruvate is oxidised into…

Q: The Gq-protein and phospholipase C pathway are responsible for stimulating gluconeogenesis and…

A: Gluconeogenesis and glycogenolysis are metabolic pathways for the generation of glucose.…

Q: The serine residues in acetyl CoA carboxylase that are the target of the AMP-activated protein…

A: Fatty acids are carboxylic acids that contain a long aliphatic chain that could be either branched…

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: 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: Which Factors alter the cytosolic Ca21 concentration?

A: Answer: Introduction: In contrast to extracellular fluid, cytosol consist of a high concentration of…

Q: Name three enzymes that are likely the source of bicarbonate ion that is involved with the formation…

A:

Q: What is the difference between glutamine synthetase andglutaminase?

A: Enzymes are proteins that have catalytic powers.

Q: Is fadh2 oxidized or reduced?

A: FADH2 is a coenzyme which is used in cellular respiration process to make fuel from food into…

Q: Can you please pick the right answer in each parentheses? The regulation of fatty acid biosynthesis…

A: Fatty acid and glucose catabolism are responsible for the energy state of the cell. At the cell's…

Q: What is the effect of cholesterol feeding on the amount of HMG-CoA reductase mRNA?

A: Cholesterol is a waxy, fat-like substance found in all the cells of our body. Our body uses…

Q: Which complex contains Succinate dehydrogenase and what are the roles of thisenzyme?

A: Succinate dehydrogenase is a part of the cellular biochemical machinery for breaking down sugars,…

Q: Which disease occurs when homogentisic acid oxidase is defective?

A: Genes contain all information of proteins forms inside the body. It contains genetic information…

Q: During regulation of glycogen synthesis by glucagon, what molecule is the secondary messenger?

A: There are a few important points : Glycogen is a highly branched and very large polymer of glucose…

Q: How many GTP, NADH, and FADH2 are produced from each acetyl coa undergoing krebs cycle?

A: The citric acid cycle also known as the TCA cycle or the Krebs cycle is a series of chemical…

Q: The interconverison of DHAP and GAP greatly favors the formation of DHAP at equilibirum. Yet the…

A: Enzymes are proteins that work as biological catalysts. Enzymes act on the molecules called…

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

A: Enzymes are the biological catalysts which are proteinaceous in nature. The function of an enzyme is…

Q: What is the logic behind high levels of arginine positivelyregulating N-acetylglutamate synthase?

A: The urea cycle is the biochemical reaction cycle that leads to the production of urea from ammonia…

Q: Does PFK-2 (Phosphofructokinase-2) have coenzymes and Allosteric reguation?

A: Enzymes are proteins that play a major role as biochemical catalysts in speeding up a biochemical…

Q: For each of the following proteins describe how the protein function would be altered (or not) in…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: Explain the regulatory processes of purine synthesis that would result in an increase in the…

A: de novo synthesis of purine begins with simple starting materials such as amino acids and…

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: How do stimuli cause the cytosolic Ca21 concentration to increase?

A: Introduction: The nervous system is categorized into the peripheral nervous system (PNS) and the…

Q: What is the role of HMG CoA reductase in cholesterol and isoprenoid synthesis?

A: HMG-CoA reductase is the rate controlling enzyme of the mevalonate pathway, the metabolic pathway…

Q: Would the development of a “super statin” that inhibited all HMG CoA reductase activity be a useful…

A: Introduction HMG CoA reductase inhibitors or 'statins' are the compounds used to treat abnormal…

Q: What is the role of glutathione in protection against damage by reactive peroxides? Why is the…

A: Ans: Glutathione: It is the antioxidant molecule that consists of glutamine, glycine as well as…

Q: Propose a mechanism for the transfer of an acetyl group from acetyl CoA to the amino group of…

A: The histone acetylation and deacetylation are the processes by which the lysine residues within the…

Q: Is liver catalase active within a narrow or broad ph ran

A: An enzyme is a molecule with speed up the rate of a biological reaction without being consumed in…

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: How is carbamoyl-phosphate synthetase I (CPS-I) controlled?

A: Introduction: The end product of the metabolism of amino acids is urea.

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: Is GAPDH only a glycolytic enzyme? What are the other physiological functions of GAPDH?

A: As you have posted multiple questions and have not mentioned which one needs to be answered, we are…