Unit 4 Review Sheet (Optional) Key Concepts: cell structures

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Unit 4 Review Sheet
(Optional)
Key Concepts:
- cell structures & functions
- cell transport
-
cell size
mitosis
Vocabulary:
Refer to your unit 4 vocabulary sheet for a list of terms that you should know.
Readings Covered:
Pages 190-217 and 274-284. This includes portions of chapter 7 and 10 in your textbook.
What You Can Use During Your Test:
Unless you have additional special arrangements, everyone may use:
- #2 pencils,
- your completed unit 2 vocabulary sheet, and
- one piece of white computer paper with hand-written notes, front and back.
2. the nucleus includes all of the following
structures EXCEPT
a. cytoplasm
b. a nuclear envelope
c. DNA
d. a nucleolus
3. Which cell structures are sometimes found
attached to the endoplasmic reticulum?
a. chloroplasts
b. nuclei
c. mitochondria
d. ribosomes
4. The difference between prokaryotic and
eukaryotic cells involves the presence of
a. a nucleus
b. genetic material in the form of DNA
c. chloroplasts
d. a cell membrane
5. Which statement is true regarding a cell’s surface
area-to-volume ratio?
a. As the size of a cell increases, its volume
decreases
b. As the size of a cell decreases, its volume
increases
c. Larger cells will have a greater surface
area-to-volume ratio
d. Smaller cells will have a greater surface
area to-volume ratio
6. Which of the following is NOT an advantage of
asexual reproduction?
a. simple and efficient
b. produces large number of offspring
quickly
c. increases genetic diversity
d. requires one parent
7. At the beginning of cell division, a chromosome
consists of two
a. centromeres
b. centrioles
c. chromatids
d. spindles
8. The period between cell divisions is called
a. interphase
b. prophase
c. G3 phase
d. cytokinesis
Multiple Choice Answers: 1 B, 2 A, 3 D, 4 A, 5 D, 6 C, 7 C, 8 A
Practice Questions:
1. Animal cells have all of the following EXCEPT
a. mitochondria
b. chloroplasts
c. a nucleus
d. a cell membrane
Review all of the parts of plant and animal cells,
including their functions. Refer to our plant & animal
cell diagrams and the notes you took on your vocabulary
sheet about them.
9. What is the cell wall made of?
20. What would happen if you placed a typical
animal cell in a hypertonic solution?
21. What would happen if you placed a typical plant
cell in a hypotonic solution?
10. What type of cell has a cell wall: plant or animal?
11. Where in the cell does cellular respiration take
place?
22. Describe active and passive transport.
12. Describe how the cell membrane acts as a
semipermeable barrier.
23. Are osmosis and diffusion examples of active or
passive transport?
13. What is the cell membrane composed of?
24. What is mitosis?
14. Name two cell structures only found in plant
cells.
25. What is the role of spindle fibers in mitosis?
15. Name a cell structure found only in animal cells.
26. How are cell division and cancer linked?
16. In many diagrams, the endoplasmic reticulum
(ER) and Golgi apparatus look very similar.
Name two ways you can tell them apart when
looking at them.
a.
27. Which type of organism would you expect to
show cell differentiation: a bacterium or a cat?
Why?
b.
17. Give an example of diffusion.
28. Who was Robert Hooke?
18. What type of cell is the most efficient at
diffusion: large or small?
29. What are the 3 parts of the cell theory?
a.
19. Give an example of osmosis.
b.
c.
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