Since Viruses Have No Active Methods of Entering Plant Cells,they

question 38

Multiple Choice

Since viruses have no active methods of entering plant cells,they must rely upon mechanically caused wounds,vegetative propagation of plants,grafting,seed,pollen,and being carried on the mouth parts of chewing insects.Tobacco mosaic virus is most commonly introduced into plants through small wounds caused by handling and by insects chewing on plant parts.What would prevent most viruses from easily entering plant cells?

• A) the cell wall on the virus
• B) the plasma membrane on the plant
• C) the protein coat on the virus
• D) the plasma membrane on the virus
• E) the cell wall on the plant

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