Across
- 2. A polysaccharide layer that surrounds bacterial cells and provides strength.
- 5. The name given to the loss of immune function through the destruction of the immune system over time after infection by HIV.
- 6. Immunity that is gained by the transfer of premade antibodies to an individual through an injection.
- 8. A protein molecule which binds to an antigen and is produced by B cells in response to an infection.
- 9. A type of antibiotic which prevents bacteria from growing by interfering with processes required for their growth such as metabolism or DNA replication.
- 10. A foreign substance which is capable of triggering an immune response.
Down
- 1. A type of antibiotic which kills bacteria.
- 3. Immunity that is acquired by exposure to a dead or weakened version of a pathogen in the form of a vaccine.
- 4. A type of unicellular prokaryote which can exist alone or as a parasite.
- 7. A type of cell which breaks down pathogens and presents the cellular fragments on their surface for detection by other immune cells.