Across
- 2. Microorganism or agent that causes disease
- 5. Substance that stimulates the immune system to build protection against a disease
- 7. Medicine that kills or slows the growth of bacteria
- 8. Group of similar cells working together to perform a function
- 10. Non cellular infectious particle that needs a host cell to reproduce
- 13. Idea that all living things are made of cells
- 15. Cell type that has a nucleus and membrane-bound organelles
- 16. Made of only one cell
- 18. Protein made by the immune system that binds to specific pathogens
- 19. Organisms that grow and use energy and respond and reproduce and produce waste
- 22. Swapping of oxygen and carbon dioxide between an organism and its environment
- 25. Thin and flexible layer that controls what enters and leaves the cell
- 26. Maintenance of a stable internal environment in an organism
- 27. Jelly like fluid inside the cell where organelles are suspended
- 28. Unicellular prokaryotic micro-organisms that can be helpful or harmful
- 29. Process where cells break down glucose with oxygen to release energy
- 30. The set of features that all organisms share
- 31. Process where plants use light and carbon dioxide and water to make glucose and oxygen
- 32. Simple cell type with no nucleus
- 33. Made of many specialized cells working together
- 34. Type of Eukaryotic cell with a cell wall and chloroplasts
- 35. Substances in food that provide energy and materials for growth and repair
- 36. Organelle in plant cells where photosynthesis occurs
- 37. Group of organs that work together to perform a major body function
Down
- 1. Disease outbreak that spreads across many countries or continents
- 3. Rigid outer layer that supports and protects plant cells and some microbes
- 4. Small structure that makes proteins by following genetic instructions
- 6. Movement of particles from an area of higher concentration to lower concentration
- 9. Membrane network that helps transport proteins and other materials in the cell
- 11. Diffusion of water across a semi-permeable membrane
- 12. Storage organelle for water and food and waste
- 14. Organelle that releases energy from food
- 17. Basic unit of structure and function in all living things
- 20. Body system that protects against disease causing organisms and substances
- 21. Organelle that modifies and sorts and packages proteins for transport
- 22. Unneeded materials that cells or organisms must remove
- 23. Type of Eukaryotic cell with no cell wall and no chloroplasts
- 24. Tiny living thing such as bacteria
- 28. Blood cell that helps defend the body against infection
- 34. Organelle that contains DNA and controls cell activities