Across
- 4. a biological preparation that provides active acquired immunity to a particular infectious disease
- 6. 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. a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus, including some that can cause disease.
- 9. a blood protein produced in response to and counteracting a specific antigen.
- 10. a slender threadlike structure, especially a microscopic appendage that enables many protozoa, bacteria, spermatozoa, etc. to swim.
Down
- 1. any of a class of proteins that have carbohydrate groups attached to the polypeptide chain.
- 2. a hair-like appendage found on the surface of many bacteria and archaea.
- 3. the protein shell of a virus, that encloses its genetic material.
- 5. the branch of science that deals with the study of viruses.
- 7. a bacterium, virus, or other microorganism that can cause disease.