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: 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: Glucagon secretion inhibits intracellular acetyl-CoA carboxylase activity through a number of…

A: The hormone glucagon is capable of regulating the activity of acetyl-CoA carboxylase. It activates…

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: The “keto diet” is a dietary regimen in which carbohydrates are severely restricted, protein intake…

A: In keto diet ketone body formation is favoured. The production and export of Ketone bodies from the…

Q: How is ACP similar to coenzyme A? How is it different?

A: Acyl transporter protein (ACP) is a part of the fat biosynthesis cycle. ACP catalyzes the expansion…

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: Which Factors alter the cytosolic Ca21 concentration?

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

Q: What is the difference between glutamine synthetase andglutaminase?

A: Enzymes are proteins that have catalytic powers.

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: 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: 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: In the presence of an excess of [14C]acetyl- COA, the metabolic pool of malonyl-CoA becomes labeled…

A: Lipids are the biomolecules that are esters of fatty acids along with alcohol where fatty acids are…

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: What is the active agent in the “magic mushrooms” of Mexico, and is it an indole or a catechol?

A: Magic mushrooms (psychoactive fungi) that grow in the United States, Mexico, South America, and many…

Q: Why is acetyl-CoA considered the central molecule of metabolism?

A: Metabolism is the term used to describe set of chemical reactions that are involved in the living…

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: What is the source of Inositol trisphosphate (IP3)?

A: Second messengers are molecules that are primarily responsible for relaying the signal received by…

Q: What is the source of Inositol trisphosphate (IP3)?

A: Second messengers can be outlined as the molecules that are principally accountable for relaying 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: Name one reaction of glycolysis, one anaplerotic reaction, and one reaction of TCA cycle that…

A: Allosteric regulation is the process of controlling an enzyme, either by activating or inhibiting…

Q: The products of pyrimidine base catabolism, β-alanine and β-aminoisobutyrate, can be further…

A: Pyrimidine bases are cytosine and thymine in DNA and cytosine and uracil in RNA. Catabolism of…

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 is the biochemical rationale for ATP serving as a positive regulator of ATCase?

A: Introduction: The first step in the pyrimidine biosynthetic pathway is catalysed by aspartate…