True or false   The conversion of pyruvate to acetyl coa requires energy input into the format of atp

Q: Briefly describe the dual role of lipoic acid in the pyruvate dehydrogenase complex

A: Lipoic acid is essentially used in aerobic processes. It is important biological compound for the…

Q: If Vitamin B1 is deficient, which of the following intermediates is/are likely to accumulate…

A: Vitamin B1, also known as thiamine, is an essential water-soluble vitamin that plays a critical role…

Q: The citric acid cycle consumes oxygen Group of answer choices True False   Oxidative…

A: The citric acid cycle consumes oxygen.--- FALSEThe citric acid cycle or the TCA cycle does not…

Q: The pyruvate dehydrogenase (PDH) complex catalyzes the oxidative decarboxylation of pyruvate to…

A: Pyruvate dehydrogenase (PDH) complex oxidizes pyruvate to acetyl-CoA and carbon dioxide. It takes…

Q: The term "glucose" refers to hexoses and their sources in general.  As much as one third of the…

A: Pentose phosphate pathway or HMP shunt is a alternative pathway to glycolysis and TCA cycle for…

Q: After the formation of pyruvic acid it must be converted into Acetyl CoA to enter the Krebs cycle…

A: Cellular respiration involves  breakdown of glucose through a series of catabolic steps in the cell…

Q: Which of the following is most likely to cause accumulation of acetyl CoA? Group of answer choices…

A: Acetyl CoA is a crucial molecule in cellular metabolism that serves as a key intermediate in various…

Q: Which of the following metabolic processes directly involve Acetyl Coa (both as an immediate…

A: Acetyl CoA is intermediate and a product of many metabolic pathways. Acetyl CoA is directly involved…

Q: The reaction catalyzed by aconitase converts citrate to isocitrate. It is strongly inhibited when it…

A: Citrate, also known as citric acid is an organic compound. It is devoid of any colour and has a weak…

Q: The Citric Acid Cycle results in (Choose all that apply) net oxidation of acetyl CoA carbons to two…

A: The biochemical reaction in aerobic conditions involving the release of stored energy through the…

Q: Place the following molecules in the order in which they appear during aerobic respiration: Citrate…

A: Cellular respiration is a series of metabolic reactions and processes that occur within organisms'…

Q: Give one metabolic intermediate that is released as pyruvate is oxidized by the pyruvate…

A: Glucose is metabolized through the glycolytic pathway to synthesize energy in the form of ATP and…

Q: acetyl CoA

A: Acetyl CoA is a central metabolite that plays important roles in energy production as well as…

Q: What are these ‘situations’ with respect to pyruvate metabolism. (b). Give the equations of the…

A: Pyruvate It is a 3 carbon compound with 2 functional groups (Carboxylate and Ketone group). When…

Q: Briefly describe the role and location of each cofactor/coenzyme involved in the pyruvate…

A: Pyruvate produced by glycolysis. Pyruvate Dehydrogenase Complex is a mitochondrial multiple enzyme…

Q: Under conditions of strenuous activity (anaerobic) the product is: acetyl CoA pyruvate lactate

A: Ans- lactate

Q: Which precursors accumulate in patients with niacin deficiency. What effect does this deficiency…

A: Niacin is a precursor to nicotinamide adenine dinucleotide (NAD+) and nicotinamide adenine…

Q: The number of CO2 molecules liberated for each molecule of acetyl-CoA during oxidative…

A: Tricarboxylic acid (TCA) or Krebs cycle is the oxidative or aerobic part of respiration. This cycle…

Q: Net moles of ATP produced by one mole of acetyl CoA entering the TCA cycle is: O 2 9 38

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

Q: How similar of an effect would a mutation in pyruvate dehydrogenase have, compared to a mutation in…

A: In glycolysis, a 6-carbon molecule of glucose-6-phosphate is broken down into 3-carbon pyruvate by…

Q: Acetyl CoA reacts with what molecule in which pathway to become citrate? O glycolysis, Malate krebs…

A:

Q: Using the table below, which of the following dietary lipids has the greatest percentage of…

A: Conceptual Introduction Dietary lipids play an essential role in providing energy, storing…

Q: Under anaerobic conditions, pyruvate will be converted to lactic acid. Why does this occur? To…

A: Anaerobic Glycolysis is the  catabolic process during which Glucose is broken down into lactic acid…

Q: In the presence of O₂ and low energy status of the cell, acetyl CoA is oxidized to oxygen O lactate…

A: Acetyl Co A is a two carbon and an important biochemical molecule which is a connecting link of…

Q: The citric acid cycle converts each acetyl-CoA to [1/2/3/4] molecules of CO2. This pathway is…

A: Citric acid cycle takes place after glycolysis in the process of respiration. Glycolysis results in…

Q: threose-4 phosphate (a 4 carbon aldose) is fed into glycolysis after a decarboxylation reaction that…

A: Aldose is a monosaccharide and consists of carbon chain containing a carbonyl group on the endmost…

Q: Which of the following reactions/ pathways does NOT produce NADH? Payoff phase of glycolysis…

A: Anabolism is the process in which two small molecules will form a large molecule and in catabolism,…

Q: What are these ketone bodies? How are they used to make energy?

A: The metabolism of fat or fatty acids in the mitochondria is called beta-oxidation, which is a…

Q: The primary purpose of the aconitase step in Citric Acid Cycle is to: form the intermediate…

A: The citric acid cycle involves acetyl-CoA oxidation into carbon dioxide and water. The acetyl-CoA…

Q: Pyruvate dehydrogenase catalyzes the conversion of pyruvate to acetyl CoA. In this reaction, one…

A: Pyruvate dehydrogenase Enzyme is a complex of three enzymes that are important for decarboxylation…

Q: The number of CO2 molecules liberated for each molecule of acetyl-CoA during oxidative…

A: The tricarboxylic acid cycle also called a citric acid cycle or Krebs cycle is the second stage of…

Q: Elevated levels of acetyl-CoA will act as an effector for which of the following enzymes? Pyruvate…

A: Acetyl-CoA is a very essential molecule in the cellular metabolism. It serves as a central player in…

Q: Consider the reaction shown, which of the following conditions is most likely to lead to the…

A: The catalytic conversion of pyruvate to acetyl-CoA by the enzyme pyruvate dehydrogenase is…

Q: A series of chemical reactions convert a polypeptide into 13 acetyl CoAs. This acetyl COA goes into…

A: Acetyl-CoA is generated during the catabolism of amino acids.

Q: When glycolytic flux exceeds the mitochondrial flux, the majority of pyruvate is converted to…

A: During glycolysis, one molecule of glucose is broken down and transformed into two molecules of…

Q: The citric acid cycle is mainly controlled at the first two NADH-producing reactions catalyzed by…

A: Citric acid cycle is the second stage of cellular respiration during which Acetyl CoA is reduced to…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.