how many net ATP molecules does the citric acid cycle generate in total? Consider both ATP generated directly by the citric acid cycle and ATP generated downstream in oxidative phosphorylation using other molecuies generated by the citric acid cycle For your answer, consider ATP and GTP to be equivalent A) 32 B) 20 C) 2 D) 10 E) 1
Q: Why does glycolysis require ATP investment on a thermodynamic and molecular level?
A: The process in which glucose is broken down to produce energy is called glycolysis. It is the…
Q: Explain how cytosolic pyruvate from glycolysis results in formation of ATP in mitochondria. Please…
A: In biochemistry, respiration refers to the cascade of metabolic processes that are responsible for…
Q: How many ATPs would result from the reaction involving the alpha-ketoacid dehydrogenase complex…
A: Alpha ketoacid dehydrogenase complex is the enzyme complex present in the inner mitochondrial…
Q: Which of the following electron-transport chain complexes is also a member of the citric acid cycle?…
A: The electron transport chain is a series of protein complexes that transfers electrons from electron…
Q: The citric acid cycle is frequently described as the major pathway of aerobic catabolism, which…
A:
Q: Why/how is pyruvate oxidized after glycolysis and before it enters the citric acid cycle?
A: Pyruvate oxidation, one of the four phases of cellular respiration, stands out since it is one of…
Q: then why is it that the citric acid cycle stops almost immediately when O2 is removed?
A: The citric acid cycle or TCA Cycle or Kreb’s cycle is an important bio synthetic pathway in which…
Q: Identify the enzymes that are considered rate limiting in glycolysis and the citric acid cycle.
A: A metabolic chemical reaction either completes in one step or completes in more than one step in…
Q: Describe the citric acid cycle. In how many steps does it take place? What is the substrate? What…
A: The citric acid cycle is also recognized as the TCA (tricarboxylic acid) cycle or the Krebs cycle.…
Q: many ATPs in total are produced from substrate-level phosphorylation in glycolysis and the citric…
A: The process in which glucose is broken down by enzymes to produce energy and pyruvic acid is called…
Q: If ATP synthase completely stopped working, could glycolysis or the citric acid cycle still produce…
A: ATP synthase is part of the oxidative phosphorylation which oxidises the NADH and FADH2 to build the…
Q: [Six/three/one] enzymes that participate in the complete catabolism of glucose through glycolysis…
A: Glycolysis is the breakdown of glucose molecules to yeild energy in the form of ATP and NADH.…
Q: If 2 molecules of glucose enters glycolysis, a total of how many carbon dioxide molecules are…
A: Given: If 2 molecules of glucose enters glycolysis, a total of carbon dioxide molecules are released…
Q: How many molecules of ATP are produced per one pyruvate molecule by a cell in which glycolysis, the…
A: Glycolysis is the first of the main metabolic pathways of cellular respiration to produce energy in…
Q: Two glucose molecules undergo ellular respiration. Match the end-products of the citric acid cycle…
A: A series of metabolic processes that occur within a cell in which biochemical energy is extracted…
Q: What percentage of ATP energy is produced when 9.0 moles of glucose react in the citric acid cycle?…
A: * metabolic pathways occur inorder to produce ATP . * The one mole of glucose we take then the…
Q: aking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle,…
A:
Q: Assuming that the glycerol 3-phosphate shuttle is operative, a complete oxidation of three molecules…
A: The greater part of the free energy delivered during the oxidation of glucose to CO2 is held in the…
Q: match the cofactor with its function in the citric acid cycle by entering the number corresponding…
A: Citric acid cycle is otherwise known as Krebs cycle or tricarboxylic acid cycle (TCA). This pathway…
Q: How many of the 30 ATP molecules produced from the complete oxidation of 1 glucose molecule are…
A: The complete oxidation of one molecule of glucose produces 30 ATP molecules. The 26 ATP molecules…
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: What are the products of glycolysis (from one glucose molecule)? What happens with NADH under…
A: During glycolysis one glucose molecule produces 4 ATP , 2NADH and 2 pyruvate molecules.
Q: If glucose labeled with radioactive 14C carbon-1 goes through glycolysis and one turn of the citric…
A: Glycolysis is breakdown of glucose into pyruvate. Pyruvate formed is converted to acetyl CoA which…
Q: List four different products of citric acid cycle. Which of the three main stages of aerobic…
A: Hi! Thanks for your questions. But as you have asked multiple questions and have not mentioned which…
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: How are aerobic respiration and fermentation different? What is the function of NAD+ and FADH in…
A: Hi! You seem to have uploaded many questions. So, as per the policy we will be answering first 3…
Q: Per one molecule of pyruvate entering the mitochondria, how many carbon atoms are fed into the…
A: CITRIC ACID CYCLE It is also known as the TCA cycle (tricarboxylic acid cycle) or the Krebs cycle.…
Q: ___ molecules of ATP are ultimately formed per every acetyl-CoA that enters the citric acid cycle…
A: The TCA cycle is one of the central metabolic pathways for the supply of energy in the living body.…
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: Does any step of the citric acid cycle directly produce ATP? Explain.
A: The citric acid (CAC) cycle is a crucial metabolic pathway, which helps to synthesize reducing…
Q: Each turn of the citric acid cycle directly produces ________. a. 2 carbon dioxide molecules…
A: Cellular respiration is the process by which the food that is taken in by an organism is converted…
Q: This process directly uses glucose as an input. Group of answer choices Glycolysis Pyruvate…
A: Cellular respiration is a process that all living things use to convert glucose into energy.…
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: During glycolysis, transition, and the citric acid cycle: How many ATP (or GTP) is made in each…
A: A) Glycolysis produces 2ATP, tansition yields 2 molecules of ATP, and crab cycle/ citric acid cycle…
Q: The end product of glycolysis, pyruvate, cannot enter as such into the citric acid cycle. Which…
A: In glycolysis process glucose is oxidized into two molecules of pyruvate. Glucose (6 C) is converted…
Q: Assuming that the glycerol 3-phosphate shuttle is operative, a complete oxidation of five molecules…
A: The Glycolysis and TCA cycle yields NADH and FADH2 molecules. They are used in ATP synthesis by…
Q: The coenzymes NAD+ and NADP+ are important electron carriers that pick up electrons from one pathway…
A: The coenzymes NAD/NADH and FAD/FADH2 can exist in their oxidized (NAD+ and FAD) or reduced forms…
Q: Substrate- level phosphorylation occurs _____. during oxidative phosphorylation in the…
A: Substrate-level phosphorylation is a metabolic response that develops in the development of ATP or…
Q: How many high-energy molecules are netted for one molecule of glucose undergoing glycolysis? How…
A: Every living cells require the input of energy. Energy require for the maintenance of the highly…
Q: Which of the following enzymes is the key regulatory step in glycolysis? Phosphofructiokinase-1 is…
A: Glycolysis is a series of reactions that break down glucose into two three-carbon molecules known as…
Q: During glycolysis, glucose is converted to pyruvate. Pyruvate then is converted to Acetyl coA and…
A: The process of glycolysis takes place in the cytosol while the TCA cycle occurs in the mitochondria.…
Q: Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle,…
A: Dihydroxyacetone phosphate: Dihydroxyacetone phosphate or DHCP is involved in metabolic pathways…
Q: Maximal production of ATP from glucose involves the reactions of glycolysis, the citric acid cycle,…
A: Cellular respiration is the process by which organisms utilize oxygen to break down complex food…
Q: Concerning the citric acid cycle (TCA cycle), which of the following statements is false? a.…
A: Introduction: The tricarboxylic acid cycle or Krebs cycle is the final common pathway for the…
Q: The two main goals of the citric acid cycle are: (a) citrate synthesis and gluconeogenesis…
A: The citric acid cycle was discovered by H. A. Kreb. The reactions of the citric acid cycle occur in…
Q: Question attached
A: The Citric (CAC) acid cycle is the process, which helps to produce oxalo (OAA) acetate with the…
Q: Explain in complete manner why these 3 became the major pathway that eventually become the entry…
A: Metabolism includes biosynthesis/ reduction (an anabolic process) and oxidation (catabolic…
Q: Which of the following describe a role of lipoic acid in the pyruvate dehydrogenase complex of the…
A: Pyruvate Dehydrogenase Complex (PDC) is a multi-enzyme complex that is responsible for catalyzing…
Q: Explain why the citric acid cycle is considered to be the center of cellular metabolism. at are the…
A: The steps of citric acid cycle were given by Hand kreb in 1931. Acetyl coenzyme A produced in…
how many net ATP molecules does the citric acid cycle generate in total? Consider both ATP generated directly by the citric acid cycle and ATP generated downstream in oxidative phosphorylation using other molecuies generated by the citric acid cycle For your answer, consider ATP and GTP to be equivalent
A) 32
B) 20
C) 2
D) 10
E) 1
Step by step
Solved in 3 steps
- Both prokaryotic and eukaryotic organisms carry out some form of glycolysis. How does ha fact support or not support the assertion that glycolysis is one of the oldest metabolic pathways?How many ATPs in total are produced from substrate-level phosphorylation in glycolysis and the citric acid cycle?Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many substrate level phosphorylation events occur from a single molecule of glucose? 6 substrate level phosphorylation events 4 substrate level phosphorylation events 3 substrate level phosphorylation events 2 substrate level phosphorylation events None of the above answers are correct
- Of the 36 molecules of ATP produced by the complete metabolism of glucose, how many are produced directly in glycolysis alone, that is, before the common pathway?Which of the following is the second step of Citric Acid Cycle? Select one: a. Isocitrate and then decarboxylated and oxidized to produce alpha-ketoglutarate, Carbon dioxide and NADH b. Succinyl-CoA becomes Succinate and forms one ATP molecule and Coenzyme A-SH c. alpha-ketoglutarate is oxidized and decarboxylated to produce Succinyl-CoA, Carbon dioxide and NADH d. Malate is oxidized to become oxaloacetate forming NADH e. Fumarate is combined with water to become Malate f. Citrate is rearranged to become Isocitrate g. Pyruvate is decarboxylated to become acetyl-CoA producing NADH and Carbon dioxide h. Oxaloacetate combines with the acetyl from acetyl-CoA to produce Citric acid(citrate) i. Succinate is oxidized to become fumarate forming FADH2The two main goals of the citric acid cycle are: (a) citrate synthesis and gluconeogenesis (b).degradation of acetyl-CoA to produce energy and supply precursors for anabolism (c).degradation of pyruvate to produce energy and supply precursors for anabolism (d).degradation of glucose to produce energy and supply precursors for anabolism (e).degradation of pyruvate to produce energy and synthesize oxaloacetate for gluconeogenesis
- The citric acid cycle is frequently described as the major pathway of aerobic catabolism, which means that it is an oxygen-dependent degradative process. However, none of the reactions of the cycle directly involve oxygen as a reactant. Why is the pathway oxygen dependent?How are aerobic respiration and fermentation different? What is the function of NAD+ and FADH in cellular respiration? What are the 3 main stages in aerobic cellular respiration? List four products of glycolysis. How is pyruvate modified before entering the citric acid cycle? Why is the citric acid cycle called a cycle? List four different products of citric acid cycle. Which of the three main stages of aerobic cellular respiration provides the biggest payoff of ATPs, and about how many ATPs from one glucose during this stage? In the absence of sugar, what else can cells use to produce ATP?The completion of one cycle of the citric acid cycle oxidizing one acetyl CoA results in net... Group of answer choices 2 ATP produced consumption of 1 molecule of citrate consumption of 1 molecule of oxaloacetate production of 2 CO2 Which of the following is not a component of the citric acid cycle? Group of answer choices Oxaloacetate Succinyl CoA Malate Pyruvate Which of the following enzymes catalyzes an anaplerotic reaction? Group of answer choices citrate synthase pyruvate dehydrogenase complex malate dehydrogenase pyruvate carboxylase
- Does any step of the citric acid cycle directly produce ATP? Explain.Identify the enzymes that are considered rate limiting in glycolysis and the citric acid cycle.If oxidation of acetyl-CoA yields 10 ATPs per mole through the citric acid cycle, how many ATPs will be derived from the complete metabolic oxidation of 1 mole of alanine in a mammal? Would the corresponding energy yield in a fish be higher or lower? Why? How much energy would be derived from the metabolic oxidation of 1 mole of isoleucine to CO2, H2O, and NH3? Of tyrosine?