Across
- 6. ______ is a protein that binds to an****ns on invading cells
- 7. ____________ disease are those that can be spread to other people
- 8. a disease-causing organism
- 9. an****dy can bind to an****ns becuase they have ______ shape
Down
- 1. ______ are cells that produce an****dy
- 2. a medicine given to prevent a disease
- 3. ______ cells provide long-term immunity
- 4. blood cell that engulf invading bacteria and viruses
- 5. the state of being defended against pathogens or disease
- 10. markers on the surface of cell membrane