Across
- 1. a large group of single-cell microorganisms
- 5. protein that can cause infection or disease
- 8. any illness you get from a virus (a small germ that uses your cells to reproduce)
- 9. A type of virus that has RNA instead of DNA as its genetic material
- 12. an organism that eats other plants or animals for energy and nutrients
Down
- 2. A differentiated cell formed within cells of certain Gram-positive bacteria that are extremely resistant to heat and other harmful conditions and agents.
- 3. an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat.
- 4. two prokaryotes attach to each other and exchange genetic information
- 6. organisms whose cells lack a nucleus and other organelles.
- 7. fission asexual reproduction by a separation of the body into two new bodies
- 10. the outer layer of all viruses made up of proteins
- 11. a method by which a virus can replicate its DNA using a host cell.