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Questions and Answers
Which of the following is true about the location of Cyt c in the inner membrane?
Which of the following is true about the location of Cyt c in the inner membrane?
- It is embedded within the membrane bilayer
- It is associated with the outer surface of the inner membrane (correct)
- It is located in the intermembrane space
- It is associated with the inner surface of the inner membrane
What surrounds the heme crevice on the surface of Cyt c?
What surrounds the heme crevice on the surface of Cyt c?
- Negatively charged anionic residues
- Negatively charged lysine residues
- Positively charged lysine residues (correct)
- Positively charged anionic residues
What is the role of Cyt c in electron transfer?
What is the role of Cyt c in electron transfer?
- It accepts electrons from oxygen and donates them to complex IV
- It accepts electrons from complex III and donates them to complex IV
- It accepts electrons from complex IV and donates them to oxygen (correct)
- It accepts electrons from complex IV and donates them to complex III
How many net H+ are pumped across the membrane during electron transfer in complex IV?
How many net H+ are pumped across the membrane during electron transfer in complex IV?
Where does Cyt c dock on the membrane during electron transfer to complex IV?
Where does Cyt c dock on the membrane during electron transfer to complex IV?
What is the effect of cyanide on electron transfer in complex IV?
What is the effect of cyanide on electron transfer in complex IV?
Which type of mechanism is used by complex IV to pump H+ across the membrane?
Which type of mechanism is used by complex IV to pump H+ across the membrane?
What is the final product of electron transfer in complex IV?
What is the final product of electron transfer in complex IV?
What is the function of complex IV in the electron transport chain?
What is the function of complex IV in the electron transport chain?
What is the oxidation state of the heme group in Cyt c after donating an electron to complex IV?
What is the oxidation state of the heme group in Cyt c after donating an electron to complex IV?
Which of the following is true about the interaction between Cyt c and membrane complexes?
Which of the following is true about the interaction between Cyt c and membrane complexes?
Which complex in the electron transport chain is responsible for pumping the most H+ across the membrane?
Which complex in the electron transport chain is responsible for pumping the most H+ across the membrane?
Which of the following is true about the location of Cyt c in the inner membrane?
Which of the following is true about the location of Cyt c in the inner membrane?
What surrounds the heme crevice on the surface of Cyt c?
What surrounds the heme crevice on the surface of Cyt c?
What is the role of Cyt c in electron transfer?
What is the role of Cyt c in electron transfer?
How many net H+ are pumped across the membrane during electron transfer in complex IV?
How many net H+ are pumped across the membrane during electron transfer in complex IV?
Where does Cyt c dock on the membrane during electron transfer to complex IV?
Where does Cyt c dock on the membrane during electron transfer to complex IV?
What is the effect of cyanide on electron transfer in complex IV?
What is the effect of cyanide on electron transfer in complex IV?
Which type of mechanism is used by complex IV to pump H+ across the membrane?
Which type of mechanism is used by complex IV to pump H+ across the membrane?
What is the final product of electron transfer in complex IV?
What is the final product of electron transfer in complex IV?
What is the function of complex IV in the electron transport chain?
What is the function of complex IV in the electron transport chain?
What is the oxidation state of the heme group in Cyt c after donating an electron to complex IV?
What is the oxidation state of the heme group in Cyt c after donating an electron to complex IV?
Which of the following is true about the interaction between Cyt c and membrane complexes?
Which of the following is true about the interaction between Cyt c and membrane complexes?
Which complex in the electron transport chain is responsible for pumping the most H+ across the membrane?
Which complex in the electron transport chain is responsible for pumping the most H+ across the membrane?
Which of the following is true about Cyt c?
Which of the following is true about Cyt c?
What surrounds the heme crevice on the surface of Cyt c?
What surrounds the heme crevice on the surface of Cyt c?
What is the role of anionic residues on membrane complexes in relation to Cyt c?
What is the role of anionic residues on membrane complexes in relation to Cyt c?
Which complex accepts electrons one at a time from Cyt C and donates them to oxygen to form water?
Which complex accepts electrons one at a time from Cyt C and donates them to oxygen to form water?
How many net H+ are pumped across the membrane during electron transfer from Cyt C to Complex IV?
How many net H+ are pumped across the membrane during electron transfer from Cyt C to Complex IV?
Where does Cyt C dock on the membrane during electron transfer to Complex IV?
Where does Cyt C dock on the membrane during electron transfer to Complex IV?
What is the effect of cyanide on electron transfer in Complex IV?
What is the effect of cyanide on electron transfer in Complex IV?
What is the charge of lysine residues surrounding the heme crevice on the surface of Cyt C?
What is the charge of lysine residues surrounding the heme crevice on the surface of Cyt C?
What is the mechanism by which H+ ions are pumped across the membrane during electron transfer from Cyt C to Complex IV?
What is the mechanism by which H+ ions are pumped across the membrane during electron transfer from Cyt C to Complex IV?
What is the role of CuA in electron transfer from Cyt C to Complex IV?
What is the role of CuA in electron transfer from Cyt C to Complex IV?
What is the effect of blocking electron transfer in Complex IV?
What is the effect of blocking electron transfer in Complex IV?
What is the oxidation state of the heme group in Cyt C after donating an electron to Complex IV?
What is the oxidation state of the heme group in Cyt C after donating an electron to Complex IV?
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