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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 - ___________________________________________________________