What is the primary role of the Kreb's cycle? To destabilize and split apart glucose molecules to make ATP To convert pyruvate to acetyl-CoA, producing CO2 and a high energy electron carrier To use the energy stored in acetyl-CoA to make ATP and high energy electron carriers To fix carbon dioxide to produce G3P, which is used to make glucose

Q: ATP levels are high in the liver, NADPH levels are low, but fat biosynthesis needs to happen. What…

A: The pentose phosphate pathway (PPP) branches from glucose 6-phosphate (G6P), produces NADPH and…

Q: How many protons are shuttled from the matrix to the intermembrane space by the products of the…

A: Reduced coenzymes NADH and FADH2 retains most of the free energy produced during the process glucose…

Q: A Acetyl group combines with coenzyme A to form acetyl CoA B Citrate is formed Hydrogen atoms are…

A: The given data is related to aerobic respiration. Which includes following steps:  Glycolysis (…

Q: A) Consider what would happen if you added any of the citric acid cycle intermediiates: would the…

A: There are several catabolic pathways in the citric acid cycle. Most of these reactions add…

Q: NADH molecules

A: Biochemical pathways: These are a series of step by step interconnected biochemical reactions where…

Q: What is the energy yield in ATP molecules associated with pyruvate ? acetyl-CoA + CO2

A: The process by which pyruvate is converted into acetyl-CoA and carbon dioxide (CO2) is known as…

Q: What does the pyruvate dehydrogenase complex do? Choose one: It produces pyruvate in the cytosol. It…

A: PDH complex connects the citric acid cycle and subsequent oxidative phosphorylation to the…

Q: acetyl CoA

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

Q: What is the role of FAD in the preparation of pyruvate to enter the citric acid cycle? to perform a…

A: The question is asking about the role of Flavin adenine dinucleotide (FAD) in the process of…

Q: What is the role of the prep phase in glycolysis? To convert G3P molecules into pyruvate and produce…

A: In glycolysis, the glucose molecules are broken down into two molecules of pyruvate along with the…

Q: , NADH is produced. The citric acid cycle also produces FADH2. What is the purpose of these…

A: During Glycolysis, pyruvate oxidation and citric acid cycle NADH produced and FADH2 produced during…

Q: How many ATP molecules can be synthesized from four Acetyl CoA molecules if all four enter the…

A: Respiration begins with the process of glycolysis in which glucose is partially oxidized to 2…

Q: which enzyme uses ATP to phosphorylate a substrate during gluconeogenesis? -Hexokinase -…

A: Gluconeogenesis  is a metabolic pathway that results in the generation of glucose from certain…

Q: What steps would a cell take to oxidize into carbon dioxide the four carbons of malate? List the…

A: 1 Malate molecule can get completely oxidized to yields 4 CO2 molecules. Malate getting completely…

Q: Which statement is true about the process of fermentation? In fermentation, O2 is a terminal…

A: Fermentation is a process of producing energy anaerobically, from the carbohydrates.

Q: Each acetyl CoA that enters in the citric acid cycle, 2 carbon dioxide molecules are released in…

A: The electron transport chain is a series of proteins found in the membrane of the mitochondria.…

Q: A fatty acid (a long straight-chain carboxylic acid with an even number of carbons) is metabolized…

A: The β-oxidation pathway completes the degradation of saturated fatty acids having an even number of…

Q: When 1 mole of fructose 1,6-bisphosphate is converted to 2 moles of pyruvate via the glycolysis…

A: Hexokinase or glucokinase uses ATP and a phosphate molecule to transform glucose to…

Q: By the reaction catalyzed by the pyruvate dehydrogenase complex: a) NAD+ is oxidized to become NADH…

A: The glycolytic process results in pyruvate, which is a substantial source of acetyl-CoA for the TCA…

Q: The "intermediate step" of respiration is also called pyruvate oxidation and pyruvate…

A: Answer: The intermediate stage of cellular respiration,called the transformation of pyruvate, takes…

Q: What happens when NADPH concentration is high? The nonoxidative phase of the pentose phosphate…

A: NADPH is produced by the pentose phosphate pathway. NADPH molecules are required for the fatty acid…

Q: Identify the Krebs cycle enzyme that consumes a six-carbon substrate molecule, producing a…

A: Kreb's cycle or tricarboxylic acid cycle is a aerobic respiration process in which acetyl CoA is…

Q: A more recent role of E2 within the pyruvate dehydrogenase complex involves localization to the…

A: Pyruvate dehydrogenase complex (PDC): The pyruvate dehydrogenase complex (PDC) is a multi-enzyme…

Q: How many times must the TCA cycle be performed to oxidize one molecule of glucose completely to six…

A: TCA cycle is also called as tricarboxylic acid cycle or citric acid cycle or Krebs cycle. TCA cycle…

Q: The citric acid cycle provides for the net synthesis of oxaloacetate from acetyl coa? What is the…

A: Introduction  The Krebs cycle, also known as the citric acid cycle or tricarboxylic acid (TCA)…

Q: 38) How many FADH are produced by PDH and the Kreb Cycle per molecule of pyruvate? How many ATP are…

A: Kreb's cycle refers to a series of chemical reactions that involve the breakdown of glucose and…

Q: Choose all of the molecules that are made in acetyl-CoA formation and the citric acid cycle that are…

A: Introduction  The Krebs cycle, often referred to as the TCA cycle (tricarboxylic acid cycle), and…

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: Two carbon atoms are fed into the citric acid cycle as acetyl-CoA. In what form are two carbon atoms…

A: The citric acid cycle is the central metabolic pathway that involves the oxidation of acetyl CoA…

Q: What happens to NADH and FADH2 made during glycolysis, acetyl-CoA formation, and the citric acid…

A: Glycolysis is a pathway which breaks down glucose into two molecules of pyruvate.  In citric acid…

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: Which of the following statements is/are TRUE for the Krebs' cycle? Reaction 1: condensation of…

A: Krebs cycle is the typical process for fully oxidizing proteins, lipids, and carbohydrates as they…

Q: If oxidation of acetyl-CoA yields 10 ATPs per mole through the citric acid cycle, how many ATPs will…

A: Introduction: The TCA cycle fundamentally includes the association of a two-carbon acetyl CoA with…

Q: What molecule forms when Acetyl-CoA enters the Krebs cycle?     ATP     pyruvic acid…

A: Krebs cycle also known as citric acid cycle was discovered by Sir Hans krebs in the year 1937. In…

Q: How is the malate shuttle used in the liver to increase the number of ATP generated from glycolysis?…

A: Malate aspartate shuttle is used to transfer reducing products with in the mitochondria and…

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: Besides two molecules of pyruvate, what are the other net products at the end of glycolytic pathway?

A: Besides two molecules of pyruvate, the other net products at the end of the glycolytic pathway are -…

Q: How many carbon dioxide molecules are liberated after each cycle of the Krebs cycle? For a single…

A: “Krebs cycle” involves order of reactions occuring in the mitochondria. This cycle begins with the…

Q: List the following steps of cellular respiration in order  - glycolysis-energy investment phase…

A: Cellular respiration is a Metabolic process in which glucose is degraded to liberate energy. It…

Q: What are the regulation of glycogeonesis and pentose phosphate pathway?

A: Gluconeogenesis and glycolysis are reverses of each pathway though they share most of the enzymes in…

Q: How many NADH and how many FADH2 molecules are formed in the citric acid cycle?

A: Citric acid cycle : It is a series of chemical reactions used by all aerobic organisms to release…

Metabolic pathways

Metabolism is defined as the group of life-supporting, enzyme-mediated chemical reactions in organisms. A metabolic pathway is a set of these chemical reactions that involve anabolism (synthesis of complex biomolecules) and catabolism (breakdown of biomolecules into small molecules) that occur inside a cell. Metabolites are the reacting substances, products, and intermediate substances of an enzymatic process that are altered by a series of chemical events catalyzed by enzymes.