Homework Answers
Ans- Mitochondria- Site of TCA cycle and electron transport chain.
NAD+ - oxidised form of carrier of electron from TCA to ETC.
NAD+ - is produced in ETC by oxidation of NADH that is reduced form.
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Match the term with the correct definition. 1. Oxidized form of the carrier of electrons from...
Question #1: In a mitochondrion, the TCA cycle cannot continue on indefinitely without oxygen because the...
Question #1: In a mitochondrion, the TCA cycle cannot continue on indefinitely without oxygen because the electron transport chain will be incapable of reducing NADH and FADH2. a.) True b.) False Question #2:How much energy (in the form of ATP) would one get from oxidation of 1 pyruvate molecule if the pH gradient was destroyed in the mitochondrion? a.) 1 ATP b.) 2 ATP c.) 10 ATP d.) 11.5 ATP e.) 12.5 ATP Question #3: The Fe-S clusters in the...
8. What is the main function of the coenzymes NAD+ and FAD? a. To form water...
8. What is the main function of the coenzymes NAD+ and FAD? a. To form water b. To act as enzymes by removing hydrogen atoms from substrate c. To transport hydrogen atoms to the electron transport chain. 9. During the oxidation of glucose, what happens to the carbons as they are removed from glucose? a. They produce water b. They bond to NAD+ c. They form CO2 d. They form Coenzyme A 10. What happens during the Kreb Cycle? a....
4. For each of the following sentences, fill in the blanks with the best word or...
4. For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase can be used more than once. (2 point each; 34 points total) ADP lysosome oxidation phosphorylation NAD pyruvate plasma membrane oxidative phosphorylation acetyl CoA cytosol carbon dioxide nucleus NADH sucrose ubiquitination GTP electrons FADH2 reduction B-sheets matrix ATP FAD kinase vacuole H* mitochondria NADH inner membrane...
Which is the oxidized electron accepting form of NAD (form that can pick up electrons and...
Which is the oxidized electron accepting form of NAD (form that can pick up electrons and become reduced) A) NADH2 B) NAD+ C) ATP D) AMP
answer questions 15) An apoenzyme + cofactor(s) - a) Inhibitor b) active site c) substrate d)...
answer questions
15) An apoenzyme + cofactor(s) - a) Inhibitor b) active site c) substrate d) holoenzyme 16) Aspartate-transcarbamylase is an enveloved in a pathway that may produces molecule called Cytidine triphosphate. Cytidine triphosphate can bind to anot t o this enzyme, rendering the active site nonfunctional. This is an example of a) ATP hydrolysis b) competitive inhibition c) feedback inhibition d) allosteric activation 17) Which of the following is false regarding fermentation? a) fermentation occurs in the absence of...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions increase G, or Gibbs free energy of the system, B) Hydrolysis reactions are endergonic and increase entropy of the system. C) Hydrolysis reactions are exergonic and decrease entropy of the system. D) Hydrolysis reactions are exergonic and increase entropy of the system. 8) How do cells use the ATP cycle illustrated in the figure? AAA W A) Cells use the cycle to recycle ADP...
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...
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...
1) Write the overall reaction for cellular respiration (be sure it's balanced) (4): 2) Overall, cellular...
1) Write the overall reaction for cellular respiration (be sure it's balanced) (4): 2) Overall, cellular respiration is highly (choose one) endergonic or exergonic. The reactant that is oxidized is and its oxidized form is _ (product) while the reactant that is reduced is and its reduced form is (product). (5) 3) What role does NAD play in cellular respiration? (2) 4) NAD+ is the oxidized or reduced (choose one) form of NAD, while NADH represents the oxidized or reduced...
113) Adenosine triphosphate is generated during a) glycolysis b) the krebs cycle c) the electron transport chain re...
113) Adenosine triphosphate is generated during a) glycolysis b) the krebs cycle c) the electron transport chain reaction d) all of the above c) band only 114) During which of the following processes is the greatest amount of ATP produced: Osmosis peptidoglycan synthesis glycolysis electron transport chain reactions lipidolysis 115) The site of the bacterial cell where ATP is produced is the cell wall cell membrane mitochondria nuclear region bande 116) ATP syhtnase: c) is the enzyme the breaks down...
8. What is the main function of the coenzymes NAD+ and FAD? a. To form water b. To act as enzymes by removing hydrogen atoms from substrate c. To transport hydrogen atoms to the electron transport chain. 9. During the oxidation of glucose, what happens to the carbons as they are removed from glucose? a. They produce water b. They bond to NAD+ c. They form CO2 d. They form Coenzyme A 10. What happens during the Kreb Cycle? a....
4. For each of the following sentences, fill in the blanks with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase can be used more than once. (2 point each; 34 points total) ADP lysosome oxidation phosphorylation NAD pyruvate plasma membrane oxidative phosphorylation acetyl CoA cytosol carbon dioxide nucleus NADH sucrose ubiquitination GTP electrons FADH2 reduction B-sheets matrix ATP FAD kinase vacuole H* mitochondria NADH inner membrane...
answer questions
15) An apoenzyme + cofactor(s) - a) Inhibitor b) active site c) substrate d) holoenzyme 16) Aspartate-transcarbamylase is an enveloved in a pathway that may produces molecule called Cytidine triphosphate. Cytidine triphosphate can bind to anot t o this enzyme, rendering the active site nonfunctional. This is an example of a) ATP hydrolysis b) competitive inhibition c) feedback inhibition d) allosteric activation 17) Which of the following is false regarding fermentation? a) fermentation occurs in the absence of...
7) Why do hydrolysis reactions occur more readily in solution than dehydration reactions? A) Hydrolysis reactions increase G, or Gibbs free energy of the system, B) Hydrolysis reactions are endergonic and increase entropy of the system. C) Hydrolysis reactions are exergonic and decrease entropy of the system. D) Hydrolysis reactions are exergonic and increase entropy of the system. 8) How do cells use the ATP cycle illustrated in the figure? AAA W A) Cells use the cycle to recycle ADP...
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...
1) Write the overall reaction for cellular respiration (be sure it's balanced) (4): 2) Overall, cellular respiration is highly (choose one) endergonic or exergonic. The reactant that is oxidized is and its oxidized form is _ (product) while the reactant that is reduced is and its reduced form is (product). (5) 3) What role does NAD play in cellular respiration? (2) 4) NAD+ is the oxidized or reduced (choose one) form of NAD, while NADH represents the oxidized or reduced...
113) Adenosine triphosphate is generated during a) glycolysis b) the krebs cycle c) the electron transport chain reaction d) all of the above c) band only 114) During which of the following processes is the greatest amount of ATP produced: Osmosis peptidoglycan synthesis glycolysis electron transport chain reactions lipidolysis 115) The site of the bacterial cell where ATP is produced is the cell wall cell membrane mitochondria nuclear region bande 116) ATP syhtnase: c) is the enzyme the breaks down...
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