Chapter 4 Homework Questions

Chapter 4 Homework Questions
Due: Thursday September 4, 2008

1. What does the cell theory state and name and describe three features that all cells share.

2. How does the surface to volume ratio constrain cell size?

3. Compare and contrast the prokaryotic and eukaryotic cell.

4. Draw a picture of each organelle and state its function. Also indicate if it is found in prokaryotic, eukaryotic, or both types of cell.

• Nucleus
• Nuclear Envelope
• Nucleolus
• Chromatin/Chromosome
• Rough Endoplasmic Reticulum
• Smooth Endoplasmic Reticulum
• Golgi Body
• Lysosome
• Peroxisomes
• Central Vacuole
• Mitochondria
• Ribosome
• Chloroplast
• Chromoplast
• Amyloplast

5. Compare and contrast the structure and function of the mitochondria and chloroplast.

6. Distinguish between the cell wall, primary wall, and secondary wall.

7. What are cell junctions and name and describe three common junctions in animal cells.

8. Distinguish between microfilaments, microtubules, and intermediate filaments. Discuss their structure and function. Do bacteria have a cytosketon?

9. Describe three ways cells can move.

No Quiz Next Friday: We will combine Chapter 4 & 5 and have that quiz on Sept. 12th!