Multiple Choice
How does paraquat destroy human tissue?
A) It competes with ferredoxin for electrons from the PSI reaction center.
B) It interferes with PSI function.
C) Electrons attached to paraquat are used to reduce nitrogen, generating highly reactive nitrogen radicals.
D) It leads to the production of substances that damage and kill the tissue.
E) It generates oxygen radicals using electrons diverted from complex I of the respiratory chain.
Correct Answer:

Verified
Correct Answer:
Verified
Q74: To what type of molecule does pheophytin
Q75: What metal atom is part of the
Q76: In chloroplasts, a proton gradient is established
Q77: What part of PSII appears to suffer
Q78: The light-driven splitting of a water molecule
Q80: Why is the process whereby O<sub>2</sub> is
Q81: A major advantage in photodynamic therapy is
Q82: About how many chlorophyll molecules are found
Q83: Organisms that depend on an external source
Q84: A cluster of what kind of ions