Multiple Choice
A special kind of __________ flows among membrane-embedded proteins and cofactors, generating a(n) __________.
A) proton current; ion gradient
B) electrical current; pH gradient
C) electrical current; proton current
D) all of the above
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q26: Enzymes transferring electrons at the start of
Q27: Electron transport systems are embedded in what
Q28: Which organism oxidizes copper and iron sulfides?<br>A)
Q30: Why do electron transport systems have to
Q32: Electron donors for anaerobic photosystem I in
Q33: Which of the following is NOT
Q34: In cytochromes, the heme group plays a
Q35: Which of the following groups or molecules
Q36: Which of the following is a common
Q42: What is photoheterotrophy? Give examples of photoheterotrophic