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Cell Structure and Function
Class
Date
Practice Test/ Study Guide
Multiple Choice
Write the letter that best answers the question or completes the statement on the line provided.
_____ 1. Which of the following is NOT a principle of the cell theory?
a. Cells are the basic units of life.
b. All living things are made of cells.
c. Very few cells are able to reproduce.
d. All cells are produced from existing cells.
_____ 2. Which type of microscope can produce three-dimensional images of a cell’s surface?
a. transmission electron microscope
b. scanning electron microscope
c. simple light microscope
d. compound light microscope
_____ 3. Which of the following enclose their DNA in a nucleus?
a. prokaryotes
c. eukaryotes
b. bacteria
d. viruses
_____ 4. Which of the following organisms are prokaryotes?
a. plants
c. bacteria
b. animals
d. fungi
_____ 5. Which of the following is a function of the nucleus?
a. stores DNA
c. builds protein
b. stores sugars
d. packages proteins
_____ 6. Which of the following is a function of the cytoskeleton?
a. helps a cell keep its shape
c. surrounds the cell
b. contains DNA
d. helps make proteins
_____ 7. Which structures are involved in cell movement?
a. cytoplasm and ribosomes
c. microtubules and microfilaments
b. nucleolus and nucleus
d. chromosomes
_____ 8. Which structure makes proteins using coded instructions that come from the nucleus?
a. Golgi apparatus
c. vacuole
b. mitochondrion
d. ribosome
_____ 9. Which organelle would you expect to find in plant cells but not animal cells?
a. mitochondrion
c. chloroplast
b. ribosome
d. smooth endoplasmic reticulum
_____ 10. Which of the following structures serves as the cell’s boundary from its environment?
a. mitochondrion
c. chloroplast
b. cell membrane
d. channel protein
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_____ 11. During diffusion, when the concentration of molecules on both sides of a membrane is the
same, the molecules will
a. move across the membrane to the outside of the cell.
b. stop moving across the membrane.
c. continue to move across the membrane in both directions.
d. move across the membrane to the inside of the cell.
_____ 12. The diffusion of water across a selectively permeable membrane is called
a. osmotic pressure.
c. pinocytosis.
b. osmosis.
d. active transport.
Figure 7–1
_____ 13. Which means of particle transport is shown in Figure 7–1 above?
a. diffusion
c. facilitated diffusion
b. osmosis
d. active transport
Short Answer
In complete sentences, write the answers to the questions on the lines provided.
14. How do prokaryotes and eukaryotes differ?
Figure 7–3
15. Which structures in the cells shown in Figure 7–3 above are responsible for meeting the cells’
energy needs? Based on the presence or absence of these structures, identify which cell is a plant
cell.
16. Define diffusion.
17. How are endocytosis and exocytosis similar? How are they different?
Using Science Skills
Use the diagram below to answer the following questions on the lines provided.
Figure 7–4
18. Interpret Visuals Which drawing in Figure 7–4, I or II, contains structures that carry out
photosynthesis? What is this structure labeled in the diagram?