Across
- 2. a blood protein produced in response to and counteracting a specific antigen
- 3. infective agent that typically consists of a nucleic acid molecule in a protein coat
- 4. a bacterium, virus, or other microorganism that can cause disease
- 6. substance used to stimulate the production of antibodies and provide immunity against one or several diseases
- 7. system body's defense against infection and illness
- 10. disorder of structure or function in a human, animal, or plant, especially one that produces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury
Down
- 1. a microscopic organism, especially a bacterium, virus, or fungus
- 5. a member of a large group of unicellular microorganisms which have cell walls but lack organelles and an organized nucleus
- 8. the state of being free from illness or injury
- 9. smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane