Homework Answers
I 6) a redox reaction electron is released which is accepted by other molecules which becomes reduced.
7) An electron carrier carries electrons and give it to another substances which have more reduction potential.
8) botH NAD AND FAD can carry two electrons and one proton.
9)oxygen is the final electron acceptor it electron transport chain.
10) ATP MOLECULES IS PRODUCED .
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not understandjng this at all. 6-10
6. What is transferred/released in a redox reaction? 7. What...
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...
PLEASE ANSWER ALL PARTS. THANK YOU! 10. (12 pts) During cellular respiration the energy from oxidizing...
PLEASE ANSWER ALL PARTS. THANK YOU!
10. (12 pts) During cellular respiration the energy from oxidizing glucose to CO2 is used to synthesize ATP. NADH is an important intermediate that feeds electrons into the electron chain. A. (6 pts) Write down the net chemical equations (reactants products) that generate NADH in the citric acid cycle. Make sure to also name the enzymes that catalyze each individual reaction. B. (2 pts) All the dehydrogenases of glycolysis and the citric acid cycle...
10. What is the relationship between anabolic and catabolic pathways? A. Anabolic pathways create complex molecules...
10. What is the relationship between anabolic and catabolic pathways? A. Anabolic pathways create complex molecules using the energy from catabolic pathways. B. Anabolic and catabolic pathways are interchangeable. C. Catabolic pathways create complex molecules using the energy from Anabolic pathways. D. Molecules broken down by anabolic pathways provides energy for catabolic pathways. Cellular respiration 11. Which of the following statements about NAD+ is true? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle....
Ch. 9 11) What are the four steps of cellular respiration? What are the initial reactants...
Ch. 9 11) What are the four steps of cellular respiration? What are the initial reactants and final products from each of these steps (include NADH and FADH2)? Where do they occur in the cell/mitochondria? 12) Why is the pyruvate processing step necessary? Why not go straight to the citric acid cycle? 13) What is homeostasis? How does cellular respiration play a role in anabolic reactions (think intermediates)? 14) How are the first three steps of cellular respiration regulated? 15)...
10. A number of molecules can act as electron carriers in biological systems. In cellular respiration,...
10. A number of molecules can act as electron carriers in biological systems. In cellular respiration, there are two important electron carriers, one of them being nicotinamide adenine dinucleotide. The NADH moves to the electron transport chain and donates a pair of electrons and protons resulting in NAD+. This oxidation process of NADH to NAD+ results in the liberation of 53 kcal/mole (under standard conditions), a. Considering the following reaction scheme, where does this energy come from? b. Which molecule...
14. In chemiosmosis, what is the most direct source of energy that is used to make...
14. In chemiosmosis, what is the most direct source of energy that is used to make ATP? A) energy released as electrons flow through the electron transport chain B) energy released from substrate-level phosphorylation C) energy released from movement of protons through ATP synthase, down their electrochemical gradient D) energy released as electrons are transported across the inner mitochondrial membrane 15. Water is one of the end products of aerobic respiration. What is the source of the oxygen atom used...
(3.02 LCyUnder what conditions can aerobic respiration be used as a means to generate the ATP...
(3.02 LCyUnder what conditions can aerobic respiration be used as a means to generate the ATP needed to carry out cellular processes? Oxygen is absent, electron transport chain is not used Oxygen is absent electron transport chain is used Ooxygen is present; electron transport chain is not used. Oxygen is present; election transport chain is used
11) (a) During fermentation, cells generate ATP via...circle all that apply Electron Transport Chain or Citric...
11) (a) During fermentation, cells generate ATP via...circle all that apply Electron Transport Chain or Citric Acid Cycle or Glycolysis (b) If a cell ran out of NAD", then would that cell be able to continue performing glycolysis? If you say "no", then identify the specific step of glycolysis (draw it) that requires NAD. (c) During aerobic respiration, NAD* is regenerated when NADH donates its H atom to the electron transport chain. Explain how NAD is regenerated during fermentation. (d)...
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...
7. Which of the following reactions is involved with causing the pH to rise during a...
7. Which of the following reactions is involved with causing the pH to rise during a biochemical test? a. Protein catabolism to amino acids b. Deamination of amino acids c. NH, + H, O NHA + OH d. All of the above 8. Which of the following statements is correct regarding the biochemical tests you will be using to identify your unknown bacteria? a. Media prepared in the laboratory is not intended to duplicate an organism's natural environment. b. Media...
PLEASE ANSWER ALL PARTS. THANK YOU!
10. (12 pts) During cellular respiration the energy from oxidizing glucose to CO2 is used to synthesize ATP. NADH is an important intermediate that feeds electrons into the electron chain. A. (6 pts) Write down the net chemical equations (reactants products) that generate NADH in the citric acid cycle. Make sure to also name the enzymes that catalyze each individual reaction. B. (2 pts) All the dehydrogenases of glycolysis and the citric acid cycle...
10. What is the relationship between anabolic and catabolic pathways? A. Anabolic pathways create complex molecules using the energy from catabolic pathways. B. Anabolic and catabolic pathways are interchangeable. C. Catabolic pathways create complex molecules using the energy from Anabolic pathways. D. Molecules broken down by anabolic pathways provides energy for catabolic pathways. Cellular respiration 11. Which of the following statements about NAD+ is true? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle....
Ch. 9 11) What are the four steps of cellular respiration? What are the initial reactants and final products from each of these steps (include NADH and FADH2)? Where do they occur in the cell/mitochondria? 12) Why is the pyruvate processing step necessary? Why not go straight to the citric acid cycle? 13) What is homeostasis? How does cellular respiration play a role in anabolic reactions (think intermediates)? 14) How are the first three steps of cellular respiration regulated? 15)...
10. A number of molecules can act as electron carriers in biological systems. In cellular respiration, there are two important electron carriers, one of them being nicotinamide adenine dinucleotide. The NADH moves to the electron transport chain and donates a pair of electrons and protons resulting in NAD+. This oxidation process of NADH to NAD+ results in the liberation of 53 kcal/mole (under standard conditions), a. Considering the following reaction scheme, where does this energy come from? b. Which molecule...
14. In chemiosmosis, what is the most direct source of energy that is used to make ATP? A) energy released as electrons flow through the electron transport chain B) energy released from substrate-level phosphorylation C) energy released from movement of protons through ATP synthase, down their electrochemical gradient D) energy released as electrons are transported across the inner mitochondrial membrane 15. Water is one of the end products of aerobic respiration. What is the source of the oxygen atom used...
(3.02 LCyUnder what conditions can aerobic respiration be used as a means to generate the ATP needed to carry out cellular processes? Oxygen is absent, electron transport chain is not used Oxygen is absent electron transport chain is used Ooxygen is present; electron transport chain is not used. Oxygen is present; election transport chain is used
11) (a) During fermentation, cells generate ATP via...circle all that apply Electron Transport Chain or Citric Acid Cycle or Glycolysis (b) If a cell ran out of NAD", then would that cell be able to continue performing glycolysis? If you say "no", then identify the specific step of glycolysis (draw it) that requires NAD. (c) During aerobic respiration, NAD* is regenerated when NADH donates its H atom to the electron transport chain. Explain how NAD is regenerated during fermentation. (d)...
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...
7. Which of the following reactions is involved with causing the pH to rise during a biochemical test? a. Protein catabolism to amino acids b. Deamination of amino acids c. NH, + H, O NHA + OH d. All of the above 8. Which of the following statements is correct regarding the biochemical tests you will be using to identify your unknown bacteria? a. Media prepared in the laboratory is not intended to duplicate an organism's natural environment. b. Media...
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