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The steps in the pathogen-specific response do not include


A) responding to the pathogen.
B) development of antibodies.
C) recognizing the pathogen.
D) triggering the hypersensitive response.
E) the pathogen releases distinctive proteins.

F) C) and E)
G) All of the above

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Which category of plant second metabolites includes stimulates like caffeine,nicotine,and cocaine?


A) tannins
B) alkaloids
C) phenolics
D) cyanogenic glycosides
E) terpenes

F) B) and E)
G) A) and B)

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Which of the following pairings is an example of coevolution of an organism's metabolism to resist a plant's evolved chemical defense?


A) the butterfly Helioconius sara and the glycosides produced by the passion flower vine
B) the tobacco hornworm and the tannins in tobacco plants
C) ants and acacia trees
D) humans and the glycosides in cassava
E) parasitoid wasps and the plants they eat

F) B) and D)
G) C) and E)

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Choose the letter of the best match from the following: -A pathogenic organism's gene that responds to the product of a plant resistance gene.


A) avr
B) HR
C) PR
D) R
E) SAR

F) C) and D)
G) A) and D)

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Which of the following plant secondary metabolites is used as an antimalarial drug?


A) morphine
B) taxol
C) genistein
D) quinine
E) manihotoxin

F) A) and C)
G) None of the above

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