Across
- 1. Small particles made of DNA and can only reproduce and survive by taking over a living cell
- 3. Deoxyribonucleic acid, a self-replicating and the carrier of genetic information
- 5. Said to be present in the body when a part of it doesn't work normally or properly
- 8. Medication used to kill or slow down the growth of bacteria
- 10. An individual animal, plant or single-celled life form
- 11. Or microorganisms that is too small that they can only be seen with a microscope
Down
- 2. The body's defense against disease
- 4. A vaccine is injected into the body and the body's immune system is tricked into producing antibodies
- 6. Cause infectious diseases
- 7. Transmits a disease or parasite from one animal or plant to another
- 9. Small unicellular organism which multiplies by sell division