Cell Structure
1. Suppose you isolated a cell which required steroids in its growth medium. If the cell was grown in a medium without this substance you would expect to find that the cells would:
a. Not produce a cell wall
b. Produce flagella
c. Not produce a plasma membrane
d. Not metabolize food
e. Not be able to move
2. The tetracycline antibiotics affect small ribosomes, consequently they have their greatest effect on:
a. Eukaryotic cells
b. Animal cells only
c. Plant cells only
d. Prokaryotic cells
e. All of the above
3. Which one of the following is not correctly matched?
a. Chloroplast-thylakoid membrane
b. Mitochondrion-produce energy
c. Nucleolus-cell division
d. Lysosome-storage of enzymes
e. Vacuole-structural support
4. You are studying a cell that has thylakoid membranes and no nuclear membrane. Which of the following would you expect it not to have?
a. Plasma membrane
b. Endoplasmic reticulum
c. Chlorophyll
d. DNA
e. None of the above
5. Which of the following is not a basic function of cells?
a. Must have a rigid barrier from the environment
b. Reproduce genetic material before dividing
c. Use enzymes to metabolize food
d. Usually have some type of motility
e. None of the above
6. Which of the following is not correctly matched to its function?
a. Peroxisome-oxidation reactions
b. Nucleolus-ribosome synthesis
c. Mitochondrion-metabolism of sugars
d. Chloroplasts-conversion of light energy into chemical energy
e. None of the above
7. Vinblastine is widely used for chemotherapy in treating cancer patients. Vinblastine inhibits microtubule formation. On cancer cells, this drug would prevent:
a. ER function
b. Cell division
c. Pinocytosis
d. Lysosome formation
e. Mitochondrial function
8. The antibiotic amphotericin B which disrupts phospholipids would affect all of the following except:
a. Plant cells
b. Animals cells
c. Prokaryotic cells
d. Eukaryotic cells
e. None of the above
9. Which one of the following is not associated with microtubules?
a. Mitotic spindle
b. Cilia
c. Bacterial flagella
d. 9+2 flagella
e. Cytoskeleton
10. All of the following are true about centrioles except they are:
a. Composed of 9+2 microtubules
b. Self-replicating
c. Continuous with tubules of flagella
d. Composed of tubulin
e. None of the above
11. The poison phalloidin causes actin polymerization. This would cause cytoplasm to:
a. Gel
b. Sol
c. Contract
d. Crawl
e. None of the above
12. 9+2 flagella:
a. Occur only in prokaryotic cells
b. Occur only in plant cells
c. Occur only in animal cells
d. Occur in eukaryotic cells
e. Occur in both prokaryotic and eukaryotic cells
13. A nuclear pore:
a. Occurs only in prokaryotic cells
b. Occurs only in plant cells
c. Occurs only in animal cells
d. Occurs in most eukaryotic cells
e. Occurs in both prokaryotic and eukaryotic cells
14. If a cell is treated with detergent which removes the plasma membrane, you would observe that:
a. Cell shape and membrane proteins remain in place
b. The cell's shape is greatly distorted and membrane proteins are in solution
c. The cell's shape is intact and membrane proteins are in solution
d. Organelles are in solution
e. None of the above
15. Cytoskeletons are found:
a. Only in prokaryotic cells
b. Only in plant cells
c. Only in animal cells
d. In most eukaryotic cells
e. In both prokaryotic and eukaryotic cells