10 Questions
What is the main purpose of the electron transport chain?
Create an electrochemical gradient leading to ATP synthesis
Which protein complex in the electron transport chain pumps four hydrogen ions during its operation?
Complex I
What is the function of Complex II in the electron transport chain?
Transfer electrons directly to Complex III
Which molecule is responsible for transferring electrons to Complex I in the electron transport chain?
NADH
What is a prosthetic group in the context of the electron transport chain?
A molecule required for the activity of a protein
Where does oxidative phosphorylation take place within the mitochondria?
Inner mitochondrial membrane
Which protein complex in the electron transport chain is labeled as Complex III?
Cytochrome c reductase
What is the role of cytochrome proteins in the electron transport chain?
Transfer electrons between complexes
What process leads to the creation of ATP in connection with the electron transport chain?
Oxidative phosphorylation
What establishes and maintains the hydrogen ion gradient between compartments in mitochondria?
Pumping of hydrogen ions
Explore the concept of chemiosmosis in cellular respiration, where the free energy from redox reactions is used to pump hydrogen ions across the membrane. Learn how the ion gradient contributes to the generation of ATP.
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