1. The pituitary gland helps maintain homeostasis by secreting mostly protein
hormones. Which of the following organelles would be most developed in the
pituitary gland?
A. lysosomes
B. nucleus
C. rough ER
D. mitochondria
E. smooth ER
2. One characteristic of skeletal muscle is that it has multiple nuclei. How would this
occur?
A. repeated meiosis without cytokinesis
B. multiple rounds of mitosis
C. repeated mitosis without cytokinesis
D. repeated cytokinesis without mitosis
E. multiple rounds of cytokinesis
3. Type I muscle fibers are characterized by their ability to split ATP at a slow rate,
resistance to fatigue, and their ability to generate ATP via the aerobic system. Which
of the following organelles would be expected in the highest abundance?
A. smooth ER
B. rough ER
C. golgi apparatus
D. mitochondria
E. nucleus
4. All of the following are NOT found in a prokaryotic cell EXCEPT:
A. smooth ER
B. rough ER
C. ribosomes
D. nucleus
E. golgi apparatus
5. Proteins that function within the cytosol are generally synthesized:
A. by ribosomes bound to rough ER
B. by free ribosomes
C. by the nucleus
D. within the golgi apparatus
E. by mitochondria and choloroplasts
6. Centrioles function in:
A. cellular respiration
B. cellular reproduction
C. photosynthesis
D. protein synthesis
E. cell to cell signaling
7. Ribosomes directly participate in:
A. transcription
B. mRNA processing
C. transformation
D. transduction
E. translation
8. Proteins that function in the cell membrane or outside of the cell are generally
synthesized:
A. by ribosomes bound to rough ER
B. by free ribosomes
C. by the nucleus
D. within the golgi apparatus
E. by mitochondria and choloroplasts
9. Microtubules are components of all of the following EXCEPT:
A. centrioles
B. the spindle apparatus for separating chromosomes in cell division
C. tracks along which organelles can move using motor proteins
D. flagella and cilia
E. the cleavage furrow that pinches apart cells in animal cell division
10. All of the following are functions of the smooth endoplasmic reticulum EXCEPT:
A. lipid synthesis
B. steroid synthesis
C. drug detoxification
D. protein synthesis
E. carbohydrate metabolism
11. Certain ovarian cells secrete estrogen, a steroid hormone. Which of the following
organelles would you expect to find in high abundance within ovarian cells?
A. Smooth ER
B. Lysosomes
C. Rough ER
D. Mitochondria
E. Peroxisomes
12. Which of the following is INCORRECTLY paired with its function?
A. peroxisome—contains enzymes that break down H2O2 (hydrogen peroxide)
B. nucleolus—produces ribosomal RNA, assembles ribosome subunits
C. Golgi apparatus—processes, tags, and ships cellular products
D. Lysosome—food sac formed by phagocytosis
E. ECM (extracellular matrix) – supports and anchors cells, communicates
information with inside of cell
13. The plasma membrane allows particles that are small and nonpolar to pass.
A. True
B. False
14. The edges of the plasma membrane are nonpolar
A. True
B. False
15. Cholesterol molecules embedded within the phospholipid bilayer help make the
plasma membrane fluid.
A. True
B. False
16. What is the purpose of the cell wall for both prokaryotes and plant cells?
A. to protect the cell from the effects of a hypotonic environment
B. to provide a means of cell-cell interaction
C. to enable the cell to obtain nutrients from its environment
D. to regulate the passage of solutes into and out of the cell
17. Which of the following is a basic structural difference between plant cells and
animal cells?
A. animal cells contain lysosomes, but plant cells do not
B. plant cells contain chloroplasts, but animal cells do not
C. the cell wall plays a major role in determining plant cell shape, but the
cytoskeleton plays a major role in determining animal cell shape
D. plants have cell walls, and animal cells do not
E. all of the above apply.
18. What is the most likely role of a cell that contains an extensive smooth ER?
A. It plays a role in storage
B. It synthesizes large quantities of lipids
C. It actively exports protein molecules
D. It plays a role in immune function
19. You have a distant cousin, age 4, who is always tired and fatigued and is not able
to play games and sports like other healthy children. He is most likely to have an
enzyme deficiency or defect associated with which intracellular organelle?
A. lysosomes
B. peroxisomes
C. Golgi
D. Mitochndria
20. Drinking large quantities of “purple drank,” the cough syrup based concoction
popularized by famous rappers, can be taxing on the liver. Which organelles in liver
cells would work the hardest to help the body detoxify purple drank?
A. lysosomes
B. mitochondria
C. smooth ER
D. rough ER
E. chloroplasts