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Transcript
Name _______________________________Date______________ Block ______________ Science Chapter 1 (Study Guide) Introduction to Cells Complete the following Questions. 1.______________basic units of structure and __________in living things. 2. Hooke observed _________________ 3. What did Leeuwenhoek observe? 4. The function of the cell wall is _____________________________________. 5. Organelles that control cells ______________________________. 6. What substance cannot be broken down __________________________? 7. Why are enzymes important? ____________________________________ 8. When sugar molecules combine with other molecules it’s called ____________ 9. What is diffusion of molecules through a selectively permeable membrane? 10. Specialized cells are found in __________________. 11. Explain how electron microscopes magnify objects. 12. Microscopes made it possible to discover _______________________. 13. Cell Theory states (3 ideas). 14. Resolution means _____________________ 15. Cell Membranes function is _____________________________________. 16. State what Mitochondria‘s function is _________________________ 17. Many celled organism cells is called ______________________________. 18. Explain in which cell the cell wall is in ______________________________________. 19. How is the cell membrane like a screen ______________________________________? 20. What organelle stores food and other materials for a cell? ___________________ 21. What releases chemicals that break down large food particles into smaller ones? 22. Contrast Mitochondria and Chloroplasts. 23. Explain the cell theory and how humans and bacteria are similar. 24. Why does raising the temperature of a liquid speed up diffusion? Define: Collision - ____________________________________________________________ Diffusion - _____________________________________________________________ Active Transport - _______________________________________________________ Passive Transport - ______________________________________________________ Osmosis - ____________________________________________________________ Selectively Permeable - ___________________________________________________ Exocytosis - ________________________________________________________ Endocytosis - _________________________________________________________ DNA - ____________________________________________________________ Compound - ______________________________________________________ Element - ____________________________________________________ Carbohydrate - _____________________________________________________ Lipid - _____________________________________________________________ Protein - _____________________________________________________________ Nucleic Acid - ___________________________________________________________