The "linker reaction" between glycolysis and the citric acid cycle (= the Kreb's cycle): a. produces pyruvate b. produces lactate O c. produces citrate (citric acid) O d. produces acetyl CoA produces ethanol
Q: Indicate what step each of the events in the glycolysis pathway the following takes place: a. First…
A: The first step in breaking down glucose to obtain energy for cellular metabolism is glycolysis.…
Q: The carbon dioxide produced as a waste product during glucose catabolism is produced in O a.…
A: the carbon dioxide produced as a waste product during glucose catabolism is produced in glycolysis.…
Q: Which of the following is FALSE about glycolysis? a. The pathway axidizes two moles of NADH to NAD*…
A: Glycolysis is the technique that breaks down the 6-carbon glucose into 3-carbon pyruvate that is a…
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: You would expect decreased production of ATP in all of the following individuals except a. an…
A: Adenosine triphosphate (ATP) is an energy carrying molecule found in the cells of all living things.…
Q: Which of the following metabolic pathways is common in aerobic and anaerobic metabolism. a. the…
A: Metabolic pathways :- The cellular machinery needs a continuous supply for the continuation of the…
Q: Which of the following molecules can be broken down into acetyl and enter the citric acid cycle? OA)…
A: Introduction The citric acid cycle is also known as the TCA cycle (tricarboxylic acid cycle) or…
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: What is the fate of CoA after it delivers an acetyl group into the citric acid cycle? A. It remains…
A: Answers :- B) is most appropriate option for the given question. That is it is degraded and used for…
Q: effect would a riboflavin deficit have on the citric acid cycle
A: Answer: 1.Citric acid cycle is the main source of energy for cells and an important part of aerobic…
Q: The function of the citric acid cycle is to (a) produce energy during periods of active muscle…
A: Respiration is an intracellular process in which complex organic molecules are broken in a stepwise…
Q: To enter the citric acid cycle, glucose must be transformed into: A. pyruvic acid B. acetyl-CoA C.…
A: All aerobic species use the citric acid cycle, also known as the TCA cycle or the Krebs cycle, to…
Q: a) describe the overall reaction catalyzed by the pyruvate dehydrogenase complex (PDH) and its…
A: 1) a) Pyruvate dehydrogenase complex comprises three enzymes- Pyruvate dehydrogenase (E1),…
Q: NAD is reduced in which Citric Acid cycle reaction? (a) Isocitrate to oxaloacetate (b)…
A: Ans. NADH is the reduced form of NAD and serves as a hydrogen and electron acceptor in both the…
Q: Which of the following is not a product of the citric acid cycle? a. FADH2 b. NADH c. AMP d. CO2
A: The citric acid cycle known as the TCA cycle (tricarboxylic acid cycle) or the Krebs cycle is a…
Q: The pathway that converts glucose to acetyl-CoA is often referred to as an “aerobic oxidation…
A: glycolysis is anaerobic respiration but it is the first step of aerobic respiration.
Q: Phosphofructokinase
A: Introduction :- Phosphofructokinase an enzyme that functions in Carbohydrates metabolism and…
Q: Many amino acids are broken down to intermediates of the citric acid cycle. (a) Why can’t these…
A: The cellular mechanism is highly efficient to utilize the resources properly. Intermediate…
Q: Would you expect the citric acid cycle to bemore or less active when a cell has a high ATP/ADP ratio…
A: The citric acid cycle or Kreb’s cycle is the intermediate metabolic pathway that occurs between…
Q: The oxygen (O2) consumed during aerobic cellular respiration is involved directly in which process…
A: Cellular respiration is a biochemical process of oxidation of organic compounds in an orderly manner…
Q: The oxygen (O2) consumed during aerobic cellular respiration is involved directly in which process…
A: Cellular respiration is a series of metabolic events and activities that occur in organisms' cells…
Q: NAD+ is regenerated duringa. glycolysis.b. fermentation.c. the Krebs cycle.d. the formation of…
A: Fermentation It is a metabolic process that coverts sugar to acids, gases or alcohol. It occurs in…
Q: The enzymes of the citric acid cycle are located in a. Cytoplasm b. Endoplasmic reticulum c.…
A: The citric acid cycle is a set of reactions that are involved in the release of stored energy…
Q: 2 ATP
A:
Q: If the enzyme that catalyzed the reaction that converts pyruvate to acetyl-CoA and carbon dioxide is…
A: The cellular respiration involves in the breakdown of glucose and production of energy in the form…
Q: Your friend is researching cellular respiration in eukaryotes. When you visit their lab, you…
A: Cellular respiration is a set of metabolic reactions and processes that take place in the cells of…
Q: The first reaction in the citric acid cycle is binding OA) carbon dioxide to a four-carbon (C4)…
A: Introduction The citric acid cycle, also known as the Krebs cycle or the TCA cycle, is a set of…
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: yanide makes a bond to cytochrome in the electron transport chain located in the mitochondria,…
A: Many plants contain cyanide, a naturally occurring chemical molecule with a unique "bitter almond"…
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: During glycolysis two NADH molecules are produced due to oxidation. Which of the following…
A: Glycolysis is the process in which one glucose molecules gives rise to 2 pyruvate molecules passing…
Q: A total of 32 mol of ATP can be produced by the complete oxidation of 1 mol of glucose in the liver.…
A: During Glycolysis, 4 molecules of ATP are produced per glucose molecule and 2 ATPs are consumed.…
Q: The consumption of acetyl-CoA by the citric acid cycle is DECREASED under which condition? A.…
A: The second step in cellular respiration is the citric acid cycle. It is preceded by glycolysis that…
Q: In anaerobic respiration, lactic acid is released into the blood from skeletal muscle. When oxygen…
A: Respiration through anaerobic means is the process, in which in the end product lactic acid and…
Q: The majority of the ATP produced by cellular respiration comes from ________. a. glycolysis…
A:
Q: The direct products from the citric acid cycle are
A: Citric acid cycle is series of reactions which release stored energy through oxidation of acetyl-…
Q: In the first step of the citric acid cycle, an acetyl group from acetyl CoA reacts with oxaloacetate…
A: Citric acid cycle is one of the steps in aerobic oxidation of glucose. It occurs in mitochondrial…
Q: During the citric acid (Krebs) cycle, the energy from acetyl-CoA is captured in which molecules?…
A: Introduction :- Cellular Respiration is the process of oxidation of glucose ( and other energy…
Q: During glycolysis there are two hexoses in the pathway. a. What are these two hexoses? b. What are…
A: Introduction Glycolysis is a ten-step enzyme-catalyzed process that involves the partial oxidation…
Q: ) What is the process by which cells generate ATP through a series of redox (chemical) reactions…
A: please post questions separately
Q: _____________ reactions replenish the intermediate molecules of the citric acid cycle.
A: Citric acid cycle or Krebs Cycle is the cyclic metabolic pathway for the oxidation of various…
Q: During the reactions of ________ glucose is _______ to CO2.
A: Answer: GLYCOLYSIS = It is a biochemical synthesis pathway where one molecule of glucose is oxidixed…
Q: The reactions of _____ take place within the cytosol of eukaryotic cells. (a) glycolysis (b)…
A: Aerobic respiration is a type of cellular respiration that uses oxygen as a reactant to produce…
Q: Consider the steps of the krebs cycle and electron carrier chain and answer: a) How many ATPs are…
A: The metabolic process involves several pathways such as glycolysis, Kreb cycle, and electron carrier…
Q: Oxidative phosphorylation has three reaction products.(a) What is the energy-carrying product?(b)…
A: Oxidative phosphorylation is the metabolic process in which cells use enzymes to oxidize nutrients…
Q: A total of 32 mol of ATP can be produced by the complete oxidation of 1 mol of glucose in the liver.…
A: The cellular respiration is the conversion of energy stored in form of glucose into ATP that is the…
Q: Which of the following statements is false? a) there is less energy in 6 molecules of carbon dioxide…
A: Introduction Respiration- Respiration is a process in which plants consume Oxygen (released during…
Q: Glucose is converted to pyruvate in which stage of cellular respiration? a. glycolysis b.…
A: All living cells respire so as to generate energy to perform various vital activities. The energy…
Q: Given what you know about the function of the glyoxylate cycle and the regulation of the citric acid…
A: Glyoxylase cycle, a variation of the tricarboxylic acid cycle, is an anabolic pathway occurring in…
Step by step
Solved in 2 steps
- The cholesterol synthesized by cells uses which component of the glycolytic pathway as a starting point? a. glucose b. acetyl CoA c. pyruvate d. carbon dioxideWhich of these is not true of the citric acid cycle?a. The citric acid cycle includes the prep reaction.b. The citric acid cycle produces ATP by substrate-level ATPsynthesis.c. The citric acid cycle occurs in the mitochondria.d. The citric acid cycle produces two ATP per glucose molecule.Which of the given process does not occur in mitochondria? a.Formation of acetyl CoA b.Oxidation of NADH + Ht c.Citric acid formation d.Conversion of pyruvic acid to acetaldehyde
- Which of the following citric acid cycle intermediates is decarboxylated during the operation of the cycle? A. More than one correct response B. No correct response C. Isocitrate D. Succinate E. OxaloacetateWhich of the following statements is true? A. The citric acid cycle occurs in the mitochondria matrix B. The citric acid cycle occurs in the cytosol C. Electron transport chain and ATP synthase are in the cytosol D. Oxidative phosphorylation occurs in the mitochondria matrixA total of 32 mol of ATP can be produced by the complete oxidation of 1 mol of glucose in the liver. Indicate the number of these moles of ATP produced by a. glycolysis b. the citric acid cycle c. the electron transport chain and oxidative d. phosphorylation
- The direct products from the citric acid cycle are ________. a. temporary electron storage compounds b. final products of cellular respiration c. formed from the direct consumption of oxygenThe oxygen (O2) consumed during aerobic cellular respiration is involved directly in which process or event? A) the phosphorylation of ADP to form ATP B)accepting electrons at the end of the electron transport chain C)glycolysis D)the oxidation of pyruvate to acetyl-CoA E)the citric acid cycle 12.Which of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATP
- Which of the following statements concerning the location of the metabolic pathways is correct? a. All reactions of the glycolysis take place in the mitochondria. b. All reactions of the TCA cycle take place in the mitochondria. c. Some reactions of the TCA cycle take place in the cytosol, and some in mitochondria. d. Some reactions of the glycolysis take place in the cytosol, and some in mitochondria.Pyruvic acid is a product of glycolysis, but it is not the substance that joins with the pickup molecule to enter the citric acid cycle. What is that substance?The function of the citric acid cycle is to (a) produce energy during periods of active muscle contraction. (b) break six-carbon chains into three-carbon fragments. (c) prepare the glucose molecule for further reactions. (d) remove hydrogen atoms from organic molecules and transfer them to coenzymes.