Transmission of plant viruses by insects can occur from
A) viruses associated with insect mouth parts.
B) viruses circulating but not multiplying in the insect's body.
C) viruses that multiply within the body of the insect.
D) All of the above
Correct Answer:
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Q98: Prions
A)consist of a special nucleocapsid.
B)are made of
Q102: If a virus utilizes a lytic life
Q103: The structure of plant, animal, and bacterial
Q104: Prions are
A)a form of RNA virus.
B)a form
Q105: Electron microscopy is useful for counting viruses
Q109: Prions
A) replicate by converting normal host proteins
Q109: Viroids characteristically are composed of
A)ssRNA.
B)dsRNA.
C)ssDNA.
D)dsDNA.
Q111: Bacteriophage,unlike animal viruses,often have special viral-specific enzymes
Q116: Capsids are made of a number of
Q120: Viruses that cause acute infection result in
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