Across
- 2. protein cell of a virus
- 4. kind of looks like a twisting ladder
- 8. process by which cells absorb molecules by engulfing them
- 9. the most common cause of sever diarrhoa
- 11. yellow fever, polio and HPV are caused by a type of
- 13. an organism's heredity info
Down
- 1. single individual particle of a virus
- 3. also known as an germ
- 5. cellular organelles than contain acid hydrolase enzymes that break down waste materials and cellular debris
- 6. is a large Y shaped protein
- 7. marked by protection
- 10. biological preparation that improves immunity
- 12. short for ribonulenic acid