Bio Ch. 2
Across
- 3. Surrounds the organelles and made up of salts, minerals, and organic molecules
- 6. is not covered in ribosomes and is involved in the synthesis of lipids and breakdown of toxic substances
- 9. Acts as a support system for organelles and maintains cell shape
- 11. Degrades hydrogen peroxide
- 13. covered in ribosomes and makes large amounts of proteins to be exported from the cell
- 14. Used for temporary storage of wastes, nutrients, and water
- 16. Who was the first person to observe living cells?
- 18. Breaks down food particles, invading objects, or worn out cell parts
- 19. Include: animals, plants, fungi, protists
- 20. Converts energy stored in food into usable energy, "the powerhouse of the cell"
- 24. Manages cell functions and stores DNA
Down
- 1. The boundary between the cell and the external environment
- 2. Who determined that cells come only from other cells?
- 4. Include: bacteria
- 5. Who concluded that all plants are composed of cells?
- 7. Location of protein synthesis
- 8. What is the longest cell?
- 9. All living things are composed of one or more ____________.
- 10. Only plant cells contain this organelle, it takes up majority of the plant cell
- 12. Who observed a thin slice of cork and called the little boxes that made it up "cells"?
- 15. In charge of photosynthesis
- 17. distributes the proteins received from the Rough ER and distributes them to other organelles or out of the cell
- 21. Plays a major roll in cell division (mitosis)
- 22. Who concluded that all animals are composed of cells?
- 23. Boundary around plant cell outside of the cell membrane that provides structure and support