Homework Answers
(1) Animals breathe in air containing oxygen and breathe out air with less oxygen and more carbon dioxide. Some of the carbon dioxide comes from pyruvate oxidation. Option (D) is correct.
(2) During glycolysis from glucose to pyruvate, NAD+ acts as an oxidizing agent. Option (A) is correct.
(3) Within an animal cell, isocirate dehydrogenase, an enzyme of the citric acid cycle, is located in the mitochondrial matrix. Option (D) is correct.
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10. Animals breathe in air containing oxygen and breathe out air with less oxygen and more...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct order? A. glycolysis, oxidative phosphorylation, pyruvate oxidation, and the citric acid cycle B glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation C. pyruvate oxidation, oxidative phosphorylation, glycolysis, and the citric acid cycle D. the citric acid cycle, oxidative phosphorylation, pyruvate oxidation, and glycolysis QUESTION 2 When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose...
Part A Cellular respiration requires fuel (glucose) and oxygen gas. The main process that produces these...
Part A Cellular respiration requires fuel (glucose) and oxygen gas. The main process that produces these inputs is photosynthesis glycolysis the Citric Acid cycle electron transport Submit Request Answer Part B Which part(s) of cellular respiration require(s) oxygen gas? the Citric Acid cycle the electron transport chain glycolysis a, b, and c a and b, but not Submit Request Answer Part C What is/are the most important output(s) of glycolysis? MacBook Air Part C What is/are the most important output(s)...
QUESTION 19 and the electron transport chain occurs in the membrane. Glycolysis occurs in the the...
QUESTION 19 and the electron transport chain occurs in the membrane. Glycolysis occurs in the the Krebs cycle occurs in the A mitochondria: cytoplasm, plasma B. cytoplasm, cytoplasm, plasma C. cytoplasm, mitochondria; plasma D. cytoplasm, mitochondria, mitochondrial E mitochondria; mitochondria; mitochondrial QUESTION 20 In fermentation O A NAD+ ... oxidized Bethanol... oxidized C.NADH... oxidized D.NADH... reduced
word bank Glucose is a simple sugаr easily used by cells to produce energy. v is...
word bank
Glucose is a simple sugаr easily used by cells to produce energy. v is the process that breaks the 6 carbon glucose into a three carbon pyruvate. The process takes place in the v. The citric acid cycle uses as a starting point the 2 carbon molecule v that can be obtained from the breakdown of fat, sugars, or proteins. The products of the citric acid cycle include (name one) v which serves as an electron donor for...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and...
In redox reactions Protons are transferred from one molecule to another One substance loses electrons and the other gains electrons A substance that loses electrons is reduced, while a substance e that gains electrons are oxidized B and c are both correct Which process in eukaryotic cells will proceed normally whether oxygen (O2) is present of not? Electron transport Glycolysis The citric acid cycle Oxidative phosphorylation Chemiosmosis How many carbon atoms are fed into the cirtic acid cycle as a...
swing processes normally occurs whether or not oxygen is present 48. Which of the following processes...
swing processes normally occurs whether or not oxygen is present 48. Which of the following processes normally occurs w a. citric acid cycle b. glycolysis c oxidative phosphorylation d. electron transport chain 49. Which process occurs in Box B? Electrons MÁ NADH lucose Pyruva Cytosol Mitochondrion che CO2 a. photophosphorylation b. glycolysis C. electron transport chain d. the citric acid cycle 50. Where are the proteins of the electron transport chain located? a. outer membrane of the mitochondria b. inner...
Which of the following is false concerning metabolic strategies with respect to pathways/final electron acceptors? A....
Which of the following is false concerning metabolic strategies with respect to pathways/final electron acceptors? A. Aerobic respiration = Glycolysis, Kreb's Cycle, ETC/oxygen B. Anaerobic Respiration = Glycolysis /Organic Compounds C. Fermentation = Glycolysis/ Organic Compounds D. Anaerobic respiration = Glycolysis, Kreb's Cycle, ETC/nitrate, carbonate, sulfate, etc. Comparatively greater energy is released when? A. Carbon dioxide is the final electron acceptor B. hydrogen is the final electron acceptor C. nitrate is the final electron acceptor D. oxygen is the final...
Cellular Respiration- Identify the process being described. __________ anaerobic __________ involves chemiosmosis __________ key component of...
Cellular Respiration- Identify the process being described. __________ anaerobic __________ involves chemiosmosis __________ key component of oxidative phosphorylation __________ occurs at the mitochondrial membrane __________ requires 6 molecules of oxygen __________ results in the formation of acetyl coenzyme A __________ yields 2 molecules of carbon dioxide __________ yields 2 molecules of FADH_2 __________ yields 4 molecules of ATP __________ yields 6 molecules of NADH citric acid cycle electron transport system glycolysis pyruvate oxidation
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH +...
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH + H^+ rightarrow Lactate + NAD^+ A. oxygen B. NADH+H^+ C. NAD^+ D. lactate E. pyruvate Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's A. entropy B. heat content. C. activation energy. D. endothermic level. E. free-energy content. What does the chemiosmotic process in mitochondria involve? A. establishment of a proton gradient...
QUESTION 1 Which of the following options lists the stages in cellular respiration in the correct order? A. glycolysis, oxidative phosphorylation, pyruvate oxidation, and the citric acid cycle B glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation C. pyruvate oxidation, oxidative phosphorylation, glycolysis, and the citric acid cycle D. the citric acid cycle, oxidative phosphorylation, pyruvate oxidation, and glycolysis QUESTION 2 When a glucose molecule loses a hydrogen atom as the result of an oxidation-reduction reaction, the glucose...
Part A Cellular respiration requires fuel (glucose) and oxygen gas. The main process that produces these inputs is photosynthesis glycolysis the Citric Acid cycle electron transport Submit Request Answer Part B Which part(s) of cellular respiration require(s) oxygen gas? the Citric Acid cycle the electron transport chain glycolysis a, b, and c a and b, but not Submit Request Answer Part C What is/are the most important output(s) of glycolysis? MacBook Air Part C What is/are the most important output(s)...
QUESTION 19 and the electron transport chain occurs in the membrane. Glycolysis occurs in the the Krebs cycle occurs in the A mitochondria: cytoplasm, plasma B. cytoplasm, cytoplasm, plasma C. cytoplasm, mitochondria; plasma D. cytoplasm, mitochondria, mitochondrial E mitochondria; mitochondria; mitochondrial QUESTION 20 In fermentation O A NAD+ ... oxidized Bethanol... oxidized C.NADH... oxidized D.NADH... reduced
word bank
Glucose is a simple sugаr easily used by cells to produce energy. v is the process that breaks the 6 carbon glucose into a three carbon pyruvate. The process takes place in the v. The citric acid cycle uses as a starting point the 2 carbon molecule v that can be obtained from the breakdown of fat, sugars, or proteins. The products of the citric acid cycle include (name one) v which serves as an electron donor for...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
swing processes normally occurs whether or not oxygen is present 48. Which of the following processes normally occurs w a. citric acid cycle b. glycolysis c oxidative phosphorylation d. electron transport chain 49. Which process occurs in Box B? Electrons MÁ NADH lucose Pyruva Cytosol Mitochondrion che CO2 a. photophosphorylation b. glycolysis C. electron transport chain d. the citric acid cycle 50. Where are the proteins of the electron transport chain located? a. outer membrane of the mitochondria b. inner...
Cellular Respiration- Identify the process being described. __________ anaerobic __________ involves chemiosmosis __________ key component of oxidative phosphorylation __________ occurs at the mitochondrial membrane __________ requires 6 molecules of oxygen __________ results in the formation of acetyl coenzyme A __________ yields 2 molecules of carbon dioxide __________ yields 2 molecules of FADH_2 __________ yields 4 molecules of ATP __________ yields 6 molecules of NADH citric acid cycle electron transport system glycolysis pyruvate oxidation
What is the reducing agent (or electron donor) in the following reaction? Pyruvate + NADH + H^+ rightarrow Lactate + NAD^+ A. oxygen B. NADH+H^+ C. NAD^+ D. lactate E. pyruvate Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as the reaction's A. entropy B. heat content. C. activation energy. D. endothermic level. E. free-energy content. What does the chemiosmotic process in mitochondria involve? A. establishment of a proton gradient...
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