Homework Answers
As for the membrane gradient is concern, in mitochondrial electron transport chain, the proton gradient develops from the intermembrane space to the mitochondrial matrix. I.e. The protons are pumped out to intermembrane space from matrix. While in chloroplast, the gradient develops from thylakoidspace to the stroma. I.e the protons are pumped into thylakoid from the stroma.
As for the energy conservation, in both systems, they are using ATP synthase enzyme to produce 3 molecules of ATP by deriving energy from 2 protons.
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Compare the electron transport chains in mitochondria and chloroplasts with respect to membrane gradients and energy...
Compare and contrast electron transport and ATP synthesis in mitochondria and chloroplasts. Start with the electron donor and end with the final electron acceptor. Detail the arrangement in the membra...
Compare and contrast electron transport and ATP synthesis in mitochondria and chloroplasts. Start with the electron donor and end with the final electron acceptor. Detail the arrangement in the membrane and redox chemistry of the electron transporters, orientation and function of ATP synthase, membrane properties, etc., etc. How are these electron transport systems related to metabolic processes occurring in the mitochondria and chloroplasts?
Name two similarities and two differences between the electron transport chains in mitochondria and chloroplasts.
Name two similarities and two differences between the electron transport chains in mitochondria and chloroplasts.
Question 13 2 pts Mitochondria and chloroplasts differ in that mitochondria have extensive infoldings of membrane,...
Question 13 2 pts Mitochondria and chloroplasts differ in that mitochondria have extensive infoldings of membrane, whereas chloroplasts do not have extensive internal membranes. mitochondria are enclosed within one membrane, whereas chloroplasts are enclosed within two. chloroplasts contain DNA, but mitochondria do not. O mitochondria harvest chemical energy, whereas chloroplasts convert light energy into chemical energy. mitochondria contain DNA, but chloroplasts do not.
1. a. In both mitochondria and chloroplasts, ATP synthesis is coupled to electron transport. Which one...
1. a. In both mitochondria and chloroplasts, ATP synthesis is coupled to electron transport. Which one of the following is likely to affect the coupling of electron transport to ATP synthesis in both of these systems? Explain. A) the absence of light B) the removal of oxygen C) leucinostatin, an ATP synthase inhibitor D)a photosystem II inhibitor 1.b. Explain why each of the other answer choices are not applicable to both of the systems.
In mitochondria, the electron transport chain pumps H+ ions from the matrix into the intermembrane space....
In mitochondria, the electron transport chain pumps H+ ions from the matrix into the intermembrane space. In chloroplasts, the electron transport chain pumps H+ ions from the thylakoid space into the stroma o outside the chloroplast into the stroma the chloroplast outer membrane into the intermembrane space the stroma into the matrix
Both mitochondria and chloroplasts use electron transport to pump protons, creating an electrochemical proton gradient, which...
Both mitochondria and chloroplasts use electron transport to pump protons, creating an electrochemical proton gradient, which drives ATP synthesis. Are protons pumped across the same (analogous) membranes in the two oraganelles? Directionality of the pump? Is ATP synthesized in analogous compartments? Fully explain your answers.
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...
Classify the statements below as to whether they describe mitochondria, chloroplasts, or both. Cannot live independently...
Classify the statements below as to whether they describe mitochondria, chloroplasts, or both. Cannot live independently because they require some proteins and RNAS encoded by nuclear genes. In some species, some codons specify a different amino acid than is specified in the universal genetic code. Translation is inhibited by chemicals known to inhibit bacterial translation, such as chloramphenicol Carry genes for some of the enzymes of photosynthetic electron transport. rRNA gene sequences are most similar to cyanobacteria. May have arisen...
Choose the correct statement about transport of ATP from mitochondria. Transport of ATP occurs without energy...
Choose the correct statement about transport of ATP from mitochondria. Transport of ATP occurs without energy expense. ATP passes freely through the inner mitochondrial membrane. ATP has the same negative charge as ADP. Transport of ATP is not coupled with ADP. ATP is moved across the inner mitochondrial membrane by specific 30 kDa transport protein.
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
Question 13 2 pts Mitochondria and chloroplasts differ in that mitochondria have extensive infoldings of membrane, whereas chloroplasts do not have extensive internal membranes. mitochondria are enclosed within one membrane, whereas chloroplasts are enclosed within two. chloroplasts contain DNA, but mitochondria do not. O mitochondria harvest chemical energy, whereas chloroplasts convert light energy into chemical energy. mitochondria contain DNA, but chloroplasts do not.
In mitochondria, the electron transport chain pumps H+ ions from the matrix into the intermembrane space. In chloroplasts, the electron transport chain pumps H+ ions from the thylakoid space into the stroma o outside the chloroplast into the stroma the chloroplast outer membrane into the intermembrane space the stroma into the matrix
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...
Classify the statements below as to whether they describe mitochondria, chloroplasts, or both. Cannot live independently because they require some proteins and RNAS encoded by nuclear genes. In some species, some codons specify a different amino acid than is specified in the universal genetic code. Translation is inhibited by chemicals known to inhibit bacterial translation, such as chloramphenicol Carry genes for some of the enzymes of photosynthetic electron transport. rRNA gene sequences are most similar to cyanobacteria. May have arisen...
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
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