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Chapter 6 & 7 Review: Cells & Cell Membranes
1. Compare a prokaryotic cell with a eukaryotic cell contrasting:
a. Domains
b. Nucleus
c. Where DNA is located
d. Membrane-bound organelles
e. Ribosomes
f. Cell membrane
g. Cell wall
h. Size
2. Provide 2 examples (animal & plant) of cells with high surface area to volume ratios. How does the cell’s structure affect its function?
3. What are the advantages to eukaryotic cells of having membrane-bound organelles?
4. Draw and label the mitochondria and the chloroplast. How are they similar in function? How are they different?
5. List the function, structure and location (plant/animal/both) of:
a. Nuclear envelope
b. Chromatin
c. Cell wall
d. Lysosome
e. Mitochondrion
f. Golgi apparatus
g. Peroxisome
h. Rough ER
i. Smooth ER
j. Centriole
k. Nucleolus
l. Ribosome
m. Plasma membrane
n. Plasmodesmata
o. Gap junction
p. Cytoskeleton
q. Extracellular matrix (ECM)
r. Cytoplasm/cytosol
s. Central vacuole
t. Vesicles
6. Describe the Fluid Mosaic Model.
7. Draw the membrane and label the key components. Include the function of each labeled component.
8. Compare active to passive transport. List examples.
9. How can you tell if facilitated diffusion is occurring? Active Transport?
10. The solutions in the two arms of a U-tube are separated by a membrane that is permeable to water and glucose but not to sucrose. Side A is filled with a solution of 4M sucrose and 2M glucose. Side B is filled with 2M sucrose and 3M glucose. Initially, the solution in side A, with respect to side B is______________. Why? After equilibrium, what changes are observed? Which side has a higher water level?
11. List and describe the functions of the integral proteins.
12. A plant cell placed into a hypotonic environment would ____________? Why?
13. Compare exocytosis and endocytosis.
14. List and describe the 3 types of endocytosis. What is the importance of receptor-mediated endocytosis?
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