Homework Answers
Answer:
Only (2) and (3)
Explanation:
Proton motive force helps in generation of high-yeilding energy molecules (ATP) during electron transport chain of photosynthesis and cellular respiration.
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What is proton motive force? What is its importance in biology? It is the force with...
biochemistry help. proton motive force 11 1.25 points Regarding the proton motive force: If additional positive...
biochemistry help. proton motive force
11 1.25 points Regarding the proton motive force: If additional positive charge was added to the intermembrane space, ATP synthesis would ecome less spontaneous ♡ choose your answer... If additional positive charge was added to the matrix, ATP synthesis would become more egative charge wa become less spontaneous intermembrane space ATP synthesis would become more spontaneous. If the a itermembrane spa become more spontaneous decreased ATP synthesis would become more spontaneous. If the pH of...
QUESTION 1 What is the purpose of the proton motive force? A Powers the phosphorylation of...
QUESTION 1 What is the purpose of the proton motive force? A Powers the phosphorylation of ATP to ADP. B. Powers the phosphorylation of ADP to ATP. C. Powers the production of high energy electron carriers. D. Powers the ability to generate more redox reactions. QUESTION 2 What is the main mechanism of action for oxidative phosphorylation? A uses the free energy of the proton gradient generated as a result of transferring electrons from NADH or FADH2 to O2 by...
Question 12 1 pts From your General Cell Biology knowledge, what biological process occurs in/on cristae?...
Question 12 1 pts From your General Cell Biology knowledge, what biological process occurs in/on cristae? Glycolysis Calvin Cycle Cellular respiration TCA cycle DQuestion 13 1 pts From your General Cell Biology knowledge, what is cellular respiration? O The energy stored in the proton electrochemical gradient is harnessed by a proton channel that uses the energy released to turn the ATP synthase to power the synthesis of ATP. Glucose is metabolized to pyruvate with the formation of reduced intermediates, NADH,...
What is the membrane potential of the proton motive force if a delta pH of 2.3...
What is the membrane potential of the proton motive force if a delta pH of 2.3 is needed for the ATP Synthase to generate ATP?
Enzymes are important to biology because they can be used to Select one: O a. Control...
Enzymes are important to biology because they can be used to Select one: O a. Control when chemical reactions happen O b. Control where chemical reactions occur O c. Link different chemical reactions O d. Couple ATP hydrolysis to activity O e. All of the above Diffusion is the movement of solute propelled by collisions with water. Diffusion spontaneously transforms energy concentration gradients into energy equilibrium conditions just like any other spontaneous reaction. Select one: O a. high; high O...
The enzyme that converts atmospheric nitrogen to ammonia in the nodules of the rhizobium/plant symbiosis is...
The enzyme that converts atmospheric nitrogen to ammonia in the nodules of the rhizobium/plant symbiosis is The greatest source for fixing molecular nitrogen (N_2) to ammonium (NH_4^+) in terrestrial environments is Why is NH_4^+ toxic to all organisms if allowed to accumulate beyond -0.5 mM? The statement above is false - NH_4^+ is not toxic but is instead an important source of nitrogen. NH_4^+ reacts with NADPH (and NADH) to reduce the reducing power in a cell. At pH 7...
8. Polypeptides have such great biological importance because a) they are long, complex strings, formed from...
8. Polypeptides have such great biological importance because a) they are long, complex strings, formed from monomers. b) Their "R groups enable them to form complex biomolecules with specific shapes. c) Their 'R' groups have 20 different shapes and charge patterns. d) The 'R' groups can have positive or negative charges or be neutral. e) All are true 9. RNA is a polymer consisting of monomers called a) amino acids b) monosaccharides c) fats, d) nucleotides e) nucleic acids 10....
What process uses ATP to create glucose? O ATP synthase electron transport chain O gluconeogenesis O...
What process uses ATP to create glucose? O ATP synthase electron transport chain O gluconeogenesis O citric acid cycle Question 11 (2 points) What would expect to happen in mitochondria that have fewer cristae Increased proton motive force Decreased oxygen usage increased ATP to ADP conversion O No change in mitocondrial funciton Question 12 (2 points) What is one example of when energy molecules/electron carriers are produced during the citric acid cycle? O conversion of succinate to fumarate O addition...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however,...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
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)...
biochemistry help. proton motive force
11 1.25 points Regarding the proton motive force: If additional positive charge was added to the intermembrane space, ATP synthesis would ecome less spontaneous ♡ choose your answer... If additional positive charge was added to the matrix, ATP synthesis would become more egative charge wa become less spontaneous intermembrane space ATP synthesis would become more spontaneous. If the a itermembrane spa become more spontaneous decreased ATP synthesis would become more spontaneous. If the pH of...
QUESTION 1 What is the purpose of the proton motive force? A Powers the phosphorylation of ATP to ADP. B. Powers the phosphorylation of ADP to ATP. C. Powers the production of high energy electron carriers. D. Powers the ability to generate more redox reactions. QUESTION 2 What is the main mechanism of action for oxidative phosphorylation? A uses the free energy of the proton gradient generated as a result of transferring electrons from NADH or FADH2 to O2 by...
Question 12 1 pts From your General Cell Biology knowledge, what biological process occurs in/on cristae? Glycolysis Calvin Cycle Cellular respiration TCA cycle DQuestion 13 1 pts From your General Cell Biology knowledge, what is cellular respiration? O The energy stored in the proton electrochemical gradient is harnessed by a proton channel that uses the energy released to turn the ATP synthase to power the synthesis of ATP. Glucose is metabolized to pyruvate with the formation of reduced intermediates, NADH,...
Enzymes are important to biology because they can be used to Select one: O a. Control when chemical reactions happen O b. Control where chemical reactions occur O c. Link different chemical reactions O d. Couple ATP hydrolysis to activity O e. All of the above Diffusion is the movement of solute propelled by collisions with water. Diffusion spontaneously transforms energy concentration gradients into energy equilibrium conditions just like any other spontaneous reaction. Select one: O a. high; high O...
The enzyme that converts atmospheric nitrogen to ammonia in the nodules of the rhizobium/plant symbiosis is The greatest source for fixing molecular nitrogen (N_2) to ammonium (NH_4^+) in terrestrial environments is Why is NH_4^+ toxic to all organisms if allowed to accumulate beyond -0.5 mM? The statement above is false - NH_4^+ is not toxic but is instead an important source of nitrogen. NH_4^+ reacts with NADPH (and NADH) to reduce the reducing power in a cell. At pH 7...
8. Polypeptides have such great biological importance because a) they are long, complex strings, formed from monomers. b) Their "R groups enable them to form complex biomolecules with specific shapes. c) Their 'R' groups have 20 different shapes and charge patterns. d) The 'R' groups can have positive or negative charges or be neutral. e) All are true 9. RNA is a polymer consisting of monomers called a) amino acids b) monosaccharides c) fats, d) nucleotides e) nucleic acids 10....
What process uses ATP to create glucose? O ATP synthase electron transport chain O gluconeogenesis O citric acid cycle Question 11 (2 points) What would expect to happen in mitochondria that have fewer cristae Increased proton motive force Decreased oxygen usage increased ATP to ADP conversion O No change in mitocondrial funciton Question 12 (2 points) What is one example of when energy molecules/electron carriers are produced during the citric acid cycle? O conversion of succinate to fumarate O addition...
Cellular respiration: The Electron Transport Chain The breakdown of glucose ends during the Krebs cydle; however, it is important to note that the energy previously contained in glucose is mostly stored in NADH and FADHz. In the last step of celular respiration, the high-energy electrons within NADH and FADH2 are passed within a set of proteins found in the inner membrane of the mitochondrion, collectively known as the electron transport chain. The electrons provide the energy to create ATP, which...
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)...
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