A pathogen-damaged wild plant is found to have high levels of expression of PR proteins, but the plant is not presently under attack by pathogens.The best explanation for this situation is that
A) plant defenses have already defeated the pathogens.
B) the pathogens were eaten by birds.
C) the plant is a genetically engineered mutant.
D) the plant mistook a pollinator for an herbivore.
E) the plant will be defended against pathogens for its entire life.
Correct Answer:
Verified
Q1: The ability of plants to employ resistance
Q2: Gene-for-gene resistance is an example of
A) an
Q3: The molecules peroxide and superoxide that are
Q4: Plants acquire systemic resistance in much the
Q6: Defensive strategies in plants that are always
Q7: In response to tissue damage caused by
Q8: A newly discovered gene in a petunia
Q9: Which of the following compounds is not
Q10: Refer to the figure, showing gene-for-gene resistance.
Q11: After being attacked by a smut fungus,
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