Viral characteristics include all but which one?
a. viruses are much smaller than bacteria.
b. viruses do not contain any nucleic acids. eliminate
c. viruses infect all types of life forms on earth.
d. viruses multiply several ways but always in a host.

The answer is B.

Viruses are distinguished from other living things by five characteristics.

1. They possess only one type of nucleic acid, either DNA or RNA but not both.

2. Reproduction is sorely from nucleic acid

3. They cannot undergo binary fission.

4. They lack genetic information for synthesis of essential cellular systems.

5. They use the ribosomes of the host cells.  

Viruses are known to infect both plants and animals. Viruses are obligate parasites i.e. they must live in a host (cell) in order to survive and reproduce. otherwise they die if  they cannot enter a host (cell).

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