How does the spread of viruses differ between plants and animals?
a. Viruses must penetrate through cell walls of plant cells and not animal cells.
b. Viruses spread faster in plants than animals because of photosynthesis.
c. Viruses do not spread to plants, only animals.
d. Viruses spread more slowly in plants than animals because of photosynthesis
Answer: a. Viruses must penetrate through cell walls of plant cells and not animal cells.
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