3. The Definition
An infective agent that typically consists
of a nucleic acid molecule in a protein
coat, is too small to be seen by light
microscopy, and is able to multiply only
within the living cells of a host
4.
5. The Definition
An infective agent that typically consists
of a nucleic acid molecule in a protein
coat, is too small to be seen by light
microscopy, and is able to multiply only
within the living cells of a host
8. Let’s Recap
1. An infector
2. No cells but has DNA protected by a
shield of proteins
3. Cannot reproduce on its own-
needs a host
4. Really, really, really small
