Homework Answers
Both respiratory and photosynthetic electron transport chains involve adding external energy to electrons which is stored in the form of ATP in the cell for later use. In photosynthetic electron transport chain sunlight gives the energy to electron whereas in respiratory electron transport chain glucose gives the energy to electron. Electron donor in photosynthesis is chlorophyll pigment and in respiration it is NADH and FADH2. Electron acceptor in photosynthesis is PS1 or NADH whereas in respiration it is NADH and FADH2. Electron carriers used in both the process are different. Both are used to generate ATP, not to generate reducing power of cell.
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6. How are respiratory and photosynthetic electron transport chains similar? A. Both use the same electron...
Overall electron flow in a cell using reverse electron transport Consider a cell that is using...
Overall electron flow in a cell using reverse electron transport Consider a cell that is using reverse electron transport to generate NADH and is not (for the moment) using the proton gradient for anything else. Assume the cell is not a phototroph (so electrons are not being recycled by light-driven pumping). Also assume that the proton gradient is produced solely by a Q-cycle like the one we've discussed, which pumps 2 protons per electron transferred. (This would imply that the...
Photosynthetic phosphorylation in vascular plants and oxidative phosphorylation in vertebrates appear to be generally similar processes,...
Photosynthetic phosphorylation in vascular plants and oxidative phosphorylation in vertebrates appear to be generally similar processes, both consisting of ATP synthesis coupled to the transfer of electrons along an electron carrier chain. Which of the following is not true of both processes? Question 2 options: Both function by generating a pH gradient across a lipid bilayer Both processes are associated with organelles Both use oxygen as a terminal electron acceptor Each represents a major route of ATP synthesis in those...
How is compartmentalization achieved in eukaryotic cells? Select one: a. Primarily by membrane-bound structures O b....
How is compartmentalization achieved in eukaryotic cells? Select one: a. Primarily by membrane-bound structures O b. Primarily by endosymbiosis O c. Primarily by cellular structures surrounded by protein O d. Primarily be the cytoskeleton, which divides the cell into different domains for different functions. A mutation to DNA polymerase III that eliminated the 3'-to-5' exonuclease activity would prevent: Select one: O a. removal of the RNA primer. O b.removal of base mismatches. O c. addition of dNTPs to a region...
1. Which of the below schematics most accurately depicts the flow of electrons through the electron...
1. Which of the below schematics most accurately depicts the flow of electrons through the electron transport chain? A Complex I-Complex Il-Complex IIl Complex IV Complex → Complex-Complex 111 Complex V C Complex IV-Complex IlI- Complex II ComplexI D Complex Complex Ⅲ→ Complex Ⅳ Complex > 2. Which of the following molecules is NOT an electron carrier that participates in the electron transport chain? A. FMNH2 B. Ubiquinol incorrect C. Cytochrome c D. NADPH 3. What is the final electron...
this are very difficult questions for my environmental biology class. These are examples from the practice...
this are very difficult questions for my environmental biology
class. These are examples from the practice homework so can anyone
please help me check my answers.
-) The temperature classes of microorganisms are based on optimum temperatures of microbi A) cell wall C) cell membrane B) enzymes D) All of the above 20) Aerobic respiration, anaerobic respiration, and fermentation are all pathways of which involve the of nutrients. A) Catabolism, reduction B) Anabolism; oxidation C) Catabolism; oxidation D) Anabolism, reduction...
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...
Q13 Cyanide is a deadly poison that attaches to cytochrome c oxidase, the last protein in...
Q13 Cyanide is a deadly poison that attaches to cytochrome c oxidase, the last protein in the electron transport chain before the terminal electron acceptor. Based on your knowledge of the electron transport chain, which statement below best describes the action of cyanide on the body? A. Cyanide does not allow the Krebs cycle to be completed by blocking acetyl CoA from entering this cycle. This action shuts down the entire process of cellular metabolism. B. Cyanide does not allow...
Please answer ALL of the questions below! They are all on the same page and related!...
Please answer ALL of the questions below! They are all on the
same page and related!
I will rate the answer immediately after getting the answer!
Thank you! 7
In the reaction, 6CO2 + 6H20 --C6H12O6 + 602, carbon dioxide is being — oxidized Ophosphorylated hydrolyzed reduced condensed Which portion of the photosynthetic apparatus absorbs light? O NADP reductase O photosystem 1 both photosystem I and NADP reductase O photosystem II both photosystem I and photosystem II The image here...
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...
Which among A-D is false concerning reassortment of the influenza virus genome? A. It results in...
Which among A-D is false concerning reassortment of the influenza virus genome? A. It results in antigenic drift B. It can occur if two different influenza strains infect the same cell C. It can lead to changes in the virus that allow it to avoid our immune system D. It has led to prior influenza virus forms like H3N2 and H2N2 E. None of A-D is false; all are true statements. Use the table of reduction potentials to answer the...
Overall electron flow in a cell using reverse electron transport Consider a cell that is using reverse electron transport to generate NADH and is not (for the moment) using the proton gradient for anything else. Assume the cell is not a phototroph (so electrons are not being recycled by light-driven pumping). Also assume that the proton gradient is produced solely by a Q-cycle like the one we've discussed, which pumps 2 protons per electron transferred. (This would imply that the...
How is compartmentalization achieved in eukaryotic cells? Select one: a. Primarily by membrane-bound structures O b. Primarily by endosymbiosis O c. Primarily by cellular structures surrounded by protein O d. Primarily be the cytoskeleton, which divides the cell into different domains for different functions. A mutation to DNA polymerase III that eliminated the 3'-to-5' exonuclease activity would prevent: Select one: O a. removal of the RNA primer. O b.removal of base mismatches. O c. addition of dNTPs to a region...
1. Which of the below schematics most accurately depicts the flow of electrons through the electron transport chain? A Complex I-Complex Il-Complex IIl Complex IV Complex → Complex-Complex 111 Complex V C Complex IV-Complex IlI- Complex II ComplexI D Complex Complex Ⅲ→ Complex Ⅳ Complex > 2. Which of the following molecules is NOT an electron carrier that participates in the electron transport chain? A. FMNH2 B. Ubiquinol incorrect C. Cytochrome c D. NADPH 3. What is the final electron...
this are very difficult questions for my environmental biology
class. These are examples from the practice homework so can anyone
please help me check my answers.
-) The temperature classes of microorganisms are based on optimum temperatures of microbi A) cell wall C) cell membrane B) enzymes D) All of the above 20) Aerobic respiration, anaerobic respiration, and fermentation are all pathways of which involve the of nutrients. A) Catabolism, reduction B) Anabolism; oxidation C) Catabolism; oxidation D) Anabolism, reduction...
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...
Please answer ALL of the questions below! They are all on the
same page and related!
I will rate the answer immediately after getting the answer!
Thank you! 7
In the reaction, 6CO2 + 6H20 --C6H12O6 + 602, carbon dioxide is being — oxidized Ophosphorylated hydrolyzed reduced condensed Which portion of the photosynthetic apparatus absorbs light? O NADP reductase O photosystem 1 both photosystem I and NADP reductase O photosystem II both photosystem I and photosystem II The image here...
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...
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