Plant viruses may be transmitted by
A) worms.
B) contaminated seeds.
C) humans.
D) insects.
E) All of the choices are correct.
Correct Answer:
Verified
Q80: For which of the following processes are
Q81: The concentration of virus that infects or
Q82: Prions
A) consist of a special nucleocapsid.
B) are
Q83: Prions affect the
A) respiratory system.
B) gastrointestinal tract.
C)
Q84: Normal tissue taken from animals and prepared
Q86: Plant viruses enter the host plant via
A)
Q87: If reasonably pure preparations of virus are
Q88: Viroids cause disease in
A) animals.
B) plants.
C) bacteria.
D)
Q89: Retroviruses are unique in that they
A) replicate
Q90: The changes that occur in virally infected
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