Multiple Choice
What is the mechanism of action by which the herbicide paraquat kills plants?
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 oxygen, generating highly reactive oxygen radicals.
D) It leads to the production of substances that damage the chloroplasts and kill the plant.
E) All of these are correct.
Correct Answer:
Verified
Correct Answer:
Verified
Q37: Formation of chromoplasts from chloroplasts is an
Q38: Why might Rubisco have evolved with an
Q39: You expose algae to CO<sub>2</sub> that contains
Q40: The outer membrane of the chloroplast contains
Q41: How did the evolution of photosynthesis set
Q43: How does CO<sub>2</sub> fixation differ in C<sub>3</sub>
Q44: Which metabolic process below do all eukaryotic
Q45: What substance reacts with RuBP by Rubisco
Q46: Photosynthetic light absorption occurs in large pigment-protein
Q47: Contributions to the proton gradient created through