Which of the following product enter the TCA (Krebs) cycle? O Pyruvate O Lactate O Acetyl Co A O Critic acid O Oxaloacetate
Q: Which substrate will NOT support synthesis of glucose in the presence of avidin? O Glyceraldehyde…
A: Gluconeogenesis is a ubiquitous process required for generation of glucose from non carbon…
Q: A coenzyme in involved in dehydrogenation reactions that is made up of the nucleotide adenosine…
A: These are the coenzymes and derivatives of coenzyme.
Q: If 14CO2 (radioactive carbon) were incorporated into the TCA cycle via the Pyruvate Carboxylase…
A: Oxaloacetate, Citric Acid (or citrate), Isocitrate and alpha ketoglutarate will have the radioactive…
Q: Which reactions in the first phase of glycolysis are exergonic at standard conditions? O hexokinase,…
A: Glycolysis is a metabolic pathway whereby glucose is converted into pyruvic acid. The energy…
Q: Lactic acid or ethanol is the common final product of glucose fermentation. Why can pyruvate not be…
A: Fermentation is a metabolic process in which an organism converts a carbohydrate, such as starch or…
Q: Which of the following enzymes are part of gluconeogenesis and not part of the Embden-Meyerhof…
A: Gluconeogenesis is a metabolic pathway that occurs in the liver and kidneys, it implies the…
Q: The following fatty acid enters the B-oxidation spiral. CH,(CH,)4-CH,-CH,-C-OH and the product shown…
A: Fatty acids are long-chain carboxylic acids. The long chain is aliphatic in nature that has single…
Q: Which reactions of the TCA cycle generate NADH? 1. a-ketoglutarate dehydrogenase 2. Citrate synthase…
A: Tricarboxylic acid cycle (TCA cycle) is also known as Citric acid cycle and Krebs cycle. This cycle…
Q: Which one of the following enzymes of glycolysis is regulated via product inhibition? O…
A: Product inhibition is the type of enzyme inhibition where the product of an enzymatic reaction…
Q: Which of the following molecules controls the metabolic flow through both glycolysis and…
A: You have asked 2 questions. I will answer the 1st question, as per guidelines. Asked : Molecule…
Q: What is the main enzyme that serves as the control point in the regulation of glycolysis? Hexokinase…
A: There are three enzymes which are required to regulate the glycolysis. These are hexokinase,…
Q: which of the following glycolytic reactions is an oxidation? a) G3P to 1,3-BPG b) PEP to Pyr…
A: Glycolysis is an oxidative process in which one mole of glucose is partially oxidized into the two…
Q: lactate 0 NAD+ НО 0 НО ОН он н О ОН N NH₂ NH₂ lactate dehydrogenase НО H- НО он н 0 ОН H H+ pyruvate…
A: The lactate dehydrogenase carries out the reversible conversion of pyruvate to lactate along with…
Q: What is the fate of glucose in an organism at rest if glucose levels are high and ATP use is low? O…
A: If glucose level in an organism at rest is high and ATP use is low then it is added to glycogen.…
Q: Which enzyme is used to convert oxaloacetate to malate in CAM plants? malate hydrolase O malate…
A: Option malate dehydrogenase is correct. CAM plants are known for fixing carbon dioxide at night and…
Q: Which of the following is an amphibolic (can be both anabolic and catabolic) pathway? O B-oxidation…
A: Metabolic pathways include both anabolism and catabolism. Anabolism is the synthesis of energy and…
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: Before the process of the Krebs cycle pyruvate must first be converted into A ethanol B. acetyl Co-A…
A: Introduction Kreb's cycle:- It is also referred to as the tricarboxylic acid cycle of the citric…
Q: In the dc ad cyde, acetyl Co-A joins the cycle by B citrate pyruvate acetate oxaloacetate alpha…
A: Citric acid cycle is also known as Krebs cycle or tricarboxylic acid cycle. Krebs cycle occurs in…
Q: Which of the following enzymes catalyze a reaction that is normally reversible in the cell? O triose…
A: Glycolysis is the catabolic process in which the six-carbon compound glucose was oxidized into three…
Q: The Krebs cycle converts ________ through a cycle ofreactions. In the process, ATP, ________, and…
A: Introduction Krebs cycle is also known as the TCA cycle, TCA stands for tricarboxylic acid. All…
Q: Which one of the following pairs of compounds are joined together to conserve carbon in the…
A: Bacteria and plants subsist on acetate yielding acetyl CoA. They use a metabolic pathway absent in…
Q: What is the oxidizing agent in the following reaction?Pyruvate + NADH + H+ S Lactate + NAD+(A)…
A: Two Pyruvates have the tendency to get converted to two lactic acid molecules, which leads to the…
Q: During each cycle of B-oxidation of fatty acid, all the following compounds are generated except…
A: Beta-oxidation is the process by which long chain fatty acyl CoA is degraded. Fatty acid oxidation…
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: Reaction 10 of glycolysis involves the generation of pyruvate from phosphoenolpyruvate (PEP). ATP is…
A: Glycolysis is a metabolic pathway in our body which generates pyruvic acid from glucose . The…
Q: he product of the glyxoylate cycle is Oxaloacetate Malate Glucose Succinate
A: glyoxylate cycle is an anabolic pathway centers on the conversion of triglycerides into carbohydrate…
Q: Glycolysis consists of three irreversible steps. Which of the following enzyme- catalyzed reaction…
A: Glycolysis is the first stage of cellular respiration during which glucose is converted to pyruvate…
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: Succinate dehydrogenase generates which of the following high-energy Krebs cycle products?
A: Kreb cycle occurs in mitochondria of cell.Kreb cycle is also called citric acid cycle. Aerobic…
Q: Which of the following enzymes are inhibited by ATP? (choose all the correct answers) citrate…
A: ATP has pleiotropic effects may activate or inhibit the enzymes. ATP inhibits the enzyme by…
Q: What is the end product of glycolysis?a) Glucoseb) Citratec) Oxaloacetated) a -Ketoglutaratee)…
A: Glycolysis is breakdown of glucose, along with production of ATP. The enzymes of this pathway are…
Q: A vitamin that is a structural component of the CoA enzyme involved with the Krebs Cycle is O Niacin…
A: A vitamin is an organic molecule (or a group of molecules chemically linked, i.e. vitamers) that is…
Q: Which of the PDH coenzymes does not get restored to its original form at the end of the PDH…
A: PDH means pyruvate dehydrogenase complex. PDH complex catalyzes the conversion of pyruvate to acetyl…
Q: Every amino acid that undergoes catabolic breakdown give rise to an ammonia molecule that must be…
A: There are 20 naturally occurring amino acids that are found in proteins. Amino acids can be…
Q: The concentration of this compound depends on pyruvate produced from glycolysis. O A. glucose B.…
A: Glycolysis is the process of the breakdown of glucose to form pyruvate. It's an anaerobic reaction…
Q: The end process of glycolysis is: O Malate O Acetyl - CoA O Pyruvate O G3P How many molecules of CO2…
A: Cellular respiration is the set of metabolic reactions and processes that take place in the cells of…
Q: Which of the following molecules stimulates the activity of the pyruvate carboxylase enzyme? О АТР O…
A: Biochemical reactions are reactions in which a molecule is converted to another molecule within the…
Q: Which coenzyme is not a Pyruvate Dehydrogenase Complex (PDH) requirement? O a. thiamine…
A: Introduction Coenzymes are non-proteinaceous substances that are essential for enzymes and increase…
Q: Which of the following is NOT TRUE about fatty acid biosynthesis? O The process is repeated 7 times…
A:
Q: Which of the following is the product of the oxidation of glucose at C1 & 6? O A. Sorbitol B.…
A: Oxidation of glucose in presence of oxygen produces carbon dioxide and water along with good amount…
Q: The aspartate–malate shuttle transfers electrons from cytoplasmic NADH to the electron transport…
A: Malate-aspartate shuttle is responsible for the transfer of electrons from NADH produced by…
Q: Which branch of the Pentose Phosphate Pathway is used when the need for NADPH is particularly high?…
A: The pentose phosphate pathway (PEP) is also known as hexose monophosphate shunt (HMP). It is an…
Q: Which of the following TCA cycle intermediates is also a metabolite in gluconeogenesis? O Pyruvate O…
A: Ans). Option 3 oxaloacetate is the correct answer. Explanation: Oxaloacetate which is an…
Q: The concentration of this compound depends on pyruvate produced from glycolysis. OA. glucose B.…
A: The metabolic process which turns glucose into pyruvic acid is known as glycolysis. The high-energy…
Q: The major regulator of glycolysis is Enolase O A. O B. Fructose 2,6 bisphosphate Fructose 1,6…
A: Carbohydrates are the most preferred biomolecule for the generation of energy in living cells.…
Q: Name the 3 carbon molecule produced when glucose is broken in half during glycolysis. O a. Pyruvate…
A: Introduction Glycolysis is the process of reaction by which one molecule of glucose is converted to…
Q: What hydrogen carriers participate in pentose phosphate pathway? NAD NADP Cobolamin FAD
A: One of the catabolic fate of 6 carbon Glucose 6-phosphate is conversion to ribose 5-phosphate, a 5…
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Solved in 2 steps with 2 images
- Which of the following cofactors is required for the conversion of succinate to fumarate in the citr acid cycle? O ATP O Biotin OFAD O NAD+ O NADP+2Which of the following is NOT produced during the oxidative phase of the pentose phosphate shunt? a Ribulose-5-Phosphate b Glyceraldehyde-3-phosphate c CO2 d NADPHwhich of the following glycolytic reactions is an oxidation? a) G3P to 1,3-BPG b) PEP to Pyr c) lactic acid fermentation under anaerobic conditions d) condensation of acetate with OAA e) succinate decarboxylase reaction
- Which of the following doesn’t occur in the transition reaction? Pyruvic acid is oxidized Pyruvic acid is decarboxylated Pyruvic acid is reduced Acetic acid attaches to coenzyme A to form Acetyl CoAThe following are reactions encuntered in the metabolic cycles. Give the main class of enzymes that catalyzes these reactions 1. Alanine + Oxoglutarate ---> Pyruvate +GlutamateWhich of the following is NOT a component of the pyruvate dehydrogenase complex? a. dihydrolipoyl dehydrogenase b. dihydrolipoyl transacetylase c. pyruvate dehydrogenase d. dihydrolipoyl catalase
- In the TCA cycle, which of the following combines with Acetyl CoA to form a 6 carbon compound? answer choices A.) Pyruvate B.) Glucose C.) Oxaloacetate D.) ThiamineWhat is the end product of glycolysis?a) Glucoseb) Citratec) Oxaloacetated) a -Ketoglutaratee) PyruvateWhich of the following enzymes below is/are involved in the control of Krebs' cycle? citrate synthetase aconitase Fumarase isocitrate dehydrogenase
- Is Oxaloacetate, a TCA cycle intermediate also a metabolite in gluconeogenesis? If not, which ones of these TCA cycle intermediates are also a metabolite in gluconeogenesis? Succinate Oxaloacetate Pyruvate CitrateWhat is the first cofactor to accept electrons from pyruvate in the Pyruvate dehydrogenase complex? Thymine pyroposphate lipoyllysine FAD NAD⁺Which of the following enzymes consumes one molecule of NADH, during anaerobic fermentation in yeast, as it converts a two-carbon substrate molecule into a two-carbon product molecule? succinate dehydrogenase pyruvate decarboxylase C. isocitrate dehydrogenase lactate dehydrogenase alcohol dehydrogenase
