A virus is a sub-microscopic particle that can infect living cells. Viruses are much smaller than prokaryotes, ranging in size from about 20–300 nanometers (nm), though some can be larger.
CK-12 (High School)
How are viruses different than living things?
RST.2 - Main Ideas, RST.4 - Key Terms
DEPTH OF KNOWLEDGE (DOK) LEVELS:
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