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horsena [70]
3 years ago
14

One hypothesis of viruses states that small viruses started as

Biology
1 answer:
nexus9112 [7]3 years ago
8 0

Answer:

Origin of Viruses. ... Small viruses started as runaway pieces of nucleic acid that originally came from living cells such as bacteria. Large viruses were once parasitic cells inside bigger host cells. Over time, genes needed to survive and reproduce outside host cells were lost.

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