Which of the following reactions is  reversible and irreversible? Why?  a. Pyruvate + β-hydroxybutyrate → lactate + acetoacetate b. Malate + pyruvate → oxaloacetate + lactate c. Acetaldehyde + succinate → ethanol + fumarate

Q: The hydrolysis of ATP yields 7.3 kcal/mol of energy. The conversion of phosphoenol pyruvate to…

A: GIVEN : PEP + ADP→ATP+ Pyruvate For PEP→Pyruvate, 14.8 kcal/mol of energy   (i)   Hydrolysis of ATP…

Q: In the glyoxylate cycle, isocitrate is converted directly to what substance? a.fumarate…

A: The glyoxylate cycle takes place is bacteria, fungi , plants and protista. It can be described as…

Q: B-Carotene, precursor of vitamin A, is oxidatively cleaved by: A B-Carotene dioxygenase B Oxygenase…

A: Beta carotene is a red -orange coloured pigment present in fungi ,plants and fruits. Beta carotene…

Q: When fructose present in either liver or muscle undergoes glycolysis to form pyruvate, how many…

A: Glycolysis is a process in which the molecule of glucose breakdown into pyruvate and release energy…

Q: How many ATP may be produced from 1 mole of the following compounds on complete oxidation using the…

A: Number of ATP molecule on complete oxidation using the glycerol-3-phosphate as follows-

Q: What is the first step in the payoff phase of glycolysis? answer choices A.)Oxidation of…

A: The glycolysis process leads to the breakdown of a six-carbon glucose molecule into 2 molecules of…

Q: Certain tissues, such as the heart muscle, can use lactate as an energy substrate. How much ATP is…

A: Lactate generated by RBC is used by heart, it is oxidized to carbon di oxide and water, following…

Q: Which of the following enzyme catalyzes the conversion of pyruvate to lactate?  Select one:  a.…

A: Enzymes are protein substances that are involved in the regulation of the rate which chemical…

Q: Name a compound that can serve as a raw material for gluconeogenesis and is from the a.) glycolytic…

A: Introduction: The synthesis of glucose from non-sugar or non-carbohydrate compounds is known as…

Q: Determine the number of carbon atoms present and the the total number of phosphate groups present in…

A: In our body, many metabolic pathways occur. In these pathways, Glycolysis also occurs to convert…

Q: Carbon dioxide loss, or decarboxylation, occurs in the Krebs Cycle with the transition of citrate to…

A: When there is energy demands in the cells, the acetyl CoA molecules produced through the oxidative…

Q: The initial step of the citric acid cycle is a. Conversion of pyruvate to acetyl-CoA b. Formation of…

A: Citric acid or Kreb's cycle or TCA cycle is the second step of aerobic respiration that takes place…

Q: two of the reduced electron carriers in the citric acid cycle come directly from a) isomerization…

A: Glucose is the main source of energy generation in living cells. Under aerobic conditions glucose…

Q: Which of the following reactions does NADH act as coenzyme? A. "glyceraldehyde-3-phosphate to…

A: NADH is biologically ranked and identified as coenzyme 1, the coenzyme or cofactor needed for…

Q: The reaction catalyzed by glyceraldehyde 3-phosphate dehydrogenase involves two "sub-reactions", one…

A: A mole of NAD is reduced to NADH by glyceraldehyde phosphate dehydrogenase, resulting in…

Q: The enzyme that catalyzes the conversion of pyruvate into acetaldehyde plus CO₂ is named; Oa.…

A: Fermentation is a process of partial oxidation or reduction of a substrate into product.…

Q: What is the precursor of proline in Krebs cycle? b) a-ketoglutarate d) Fumarate a) Oxaloacetate c)…

A:

Q: A key enzyme of the Citric Acid Cycle is isocitrate dehydrogenase.  It catalyzes the conversion of…

A: Isocitrate dehydrogenase catalyzes the conversion of isocitrate to alpha-ketoglutarate and it is one…

Q: Which intermediates of glycolysis are used to generate ATP by substrate-level phosphorylation? a.…

A: Substrate level phosphorylation is the process where an enzyme transfers the phosphate group from a…

Q: Palmitic acid is synthesized from the excess citrate from increased catabolism of glucose that…

A: Palmitic acid is a 16-carbon saturated fatty acid. The biosynthesis of this fatty acid consists of…

Q: The first enzyme in the Krebs cycle is the A.citrate synthase B.pyruvate dehydrogenase C. α-…

A: Kreb's cycle is also called as citric acid cycle or TCA (Tricarboxylic acid cycle). It is a common…

Q: Fluoride is an inhibitor of which of the following glycolytic enzymes? A. Glyceraldehyde 3 po4…

A: Glycolysis is the process of breakdown of glucose into pyruvate to generate energy.

Q: An intermediate of the citric acid cycle that undergoes reductive amination with glutamine as…

A: Citric acid cycle is the second stage of cellular respiration that occurs in mitochondrial matrix…

Q: b1 F1 F2 Glycerol • Glycerol-phosphate DHAP ATP ADP NAD NADH F3 F8 АТР ADP Pyruvate F4 F7 F6 F5 b3…

A: Hi! Thanks for your question. As you have posted multiple questions and have not mentioned which one…

Q: Patients with pyruvate dehydrogenase deficiency show high levels of lactic acid in the blood.…

A: Pyruvate dehydrogenase : It is an enzyme that catalyses the reaction of pyruvate and a lipoamide to…

Q: Which of the following molecules is directly formed from Pyruvate? (more than one answer). a.…

A: Pyruvate is a biomolecule that can be formed from various metabolites and can also be converted into…

Q: A physician diagnoses an infant patient with a pyruvate carboxylase deficiency in part by measuring…

A: In case of Pyruvate Carboxylase deficiency, body accumulates lactic acid in blood. This is an…

Q: The glycolytic enzyme pyruvate kinase catalyzes the conversion of: 1,3-bisphosphoglycerate into…

A: Glycolysis is a metabolic pathway that converts one molecule of glucose to two molecules of…

Q: Another antidote for methanol poisoning is fomepizole, which is an aldehyde dehydrogenase (ADH)…

A: Methanol toxicity or methanol poisoning results due to ingestion or exposure of methanol leading to…

Q: Which of the following is incorrect about the conversion of pyruvate (with 3 C) and CO₂ to…

A: In gluconeogenesis, glucose is synthesized from non-carbohydrate sources e.g., amino acids,…

Q: When some of the carbons of glutamate are converted to glycogen, what is the order of the following…

A: Glutamine act as a regulator for carbohydrate metabolism where it stimulates the hepatic and renal…

Q: Different enzymes that catalyse the same reaction are called O A. isoenzymes O B. holoenzymes OC.…

A: Introduction: Glycolysis is the primary source of ATP production. It occurs in the cytosol of the…

Q: To which class does each enzymes belong? Explain you answers.   a. pyruvate decarboxylase b.…

A: Enzymes are biological catalysts that accelerate a chemical reaction. Enzymes are proteins. Enzymes…

Q: The first roadblock to overcome in the synthesis of glucose from pyruvate is which of the following…

A: Gluconeogenesis is the process of synthesis of glycose from non-carbohydrates sources like pyruvate.

Q: Which of the following is/are products of aldolase when it acts on fructose-1,6-bisphosphate? A. 2…

A: Enzymes are involved in the catalysis of different types of reactions. The enzymes are specific and…

Q: Explain why the hydrolysis of the following compounds releases energy.    A. phosphoenol pyruvate…

A: Chemical energy is a type of potential energy stored in bonds of chemical compounds. Chemical energy…

Q: During strenuous exercise, the NADH formed in the glyceraldehyde 3-phosphate dehydrogenase reaction…

A: During strenuous exercise, the glycolysis that continues is known as anaerobic glycolysis and the…

Q: Conversion of pyruvate to PEP requires the action of a. Fructose-1,6-bisphosphatase b. Two cytosolic…

A: The cell contains many organelles, including mitochondria, ribosomes, nucleus, cytosol, etc. Each…

Q: c.Acetyl

A: Glycolysis is the common pathway of aerobic as well as anaerobic (Fermentation) breakdown of fat ,…

Q: Which of the following reactions would be inhibited in the presence of large amounts of an egg white…

A: Biotin binding protein present in egg white is known as Avidin.

Q: Which of the following is a correct ranking of molecules with respect to their energy value in…

A: Cellular respiration is a bunch of metabolic responses and cycles that happen in the cells of living…

Q: Which of the following statements are TRUE? Select an answer and submit. For keyboard navigation,…

A: Option (b) is incorrect because if the inhibitor will inhibit production of 1,3-bisphosphoglycerate…

Q: A new metabolic enzyme which utilizes NAD* as a coenzyme

A: Ans) option C. It is involved in catabolic pathway.

Q: CHOOSE THE CORRECT LETTER. Which of the following reactions require ATP in glycolysis? A.…

A: - There are two steps in Glycolysis where ATP is consumed. First, conversion of glucose to…

Q: n which step of glycerol metabolism does each of the following events occur? a. The oxidizing agent…

A: Glycerol is defined as a precursor for the synthesis of triacylglycerols. Along with this,…

Q: which of the following are possible sources of glyceraldehyde 3-phosphate a. more than 1 correct…

A: Glycolysis is defined as a series of enzymatic reactions that convert one molecule of glucose, a…

Q: Which of the following statements are True as to the location in pyruvate of labeled carbons if…

A: Pyruvate is a three-carbon molecule that contains a carboxyl group, a keto group, and a methyl…

Q: Which one of the following is NOT a metabolic effect of glucagon secretion? Select one: a. Increase…

A: Glucagon is a peptide hormone which is released by alpha islets of langerhans of pancreas into the…