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CHAPTER 3 INTERACTIVE READER QUESTIONS
3.1 Interactive Reader Cell Theory
1.
Draw and complete the table below:
Scientist (Year)
Finding
2.
List the 3 parts of the cell theory.
3.
What is the purpose of the cytoplasm?
4.
Name the 2 main types of cells.
5.
Draw and complete the table below:
Prokaryotic Cells
Eukaryotic Cells
Size
One Cell, Many Cells,
or Both
Nucleus Present?
Organelles Present?
6.
Define organelle.
7.
Number 1-4 and do the questions at the bottom of page 38. You do NOT have to write the question, just
the answer.
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CHAPTER 3 INTERACTIVE READER QUESTIONS
3.2 Interactive Reader Questions: Eukaryotic Cells and Cell Organelles
1.
Explain what the cytoskeleton is and what it does.
2.
List 5 basic life functions.
3.
List 5 examples of when proteins are needed in the human body.
4.
Which organelle is found in both eukaryotic and prokaryotic cells?
5.
The other organelles are found in which type of cell? (eukaryotic or prokaryotic)?
6.
Explain the function of the nucleus.
7.
Where is DNA located in a cell?
8.
What does DNA contain?
9.
Endoplasmic reticulum helps in the production of what?
10.
What are the two types of ER?
11.
Why does the rough ER look bumpy?
12.
What is the function of ribosomes?
13.
Where are ribosomes located?
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CHAPTER 3 INTERACTIVE READER QUESTIONS
14.
What is the function of the Golgi apparatus (or also called Golgi body)?
15.
What is the function of vesicles?
16.
What is the function of the mitochondria?
17.
What is the function of vacuoles?
18.
Lysosomes contain what?
19.
Explain the function of lysosomes.
20.
What is the function of centrioles?
21.
What 2 parts do plant cells have that animal cell do NOT have?
22.
What is the function of the cell wall?
23.
Explain the function of choloroplasts.
24.
Chloroplasts contain what?
25.
Explain the function of chloroplasts.
3.3 Interactive Reader: Cell Membrane
1.
Define cell membrane.
2.
The cell membrane is made up of a double layer of what?
3.
List the 3 parts of a phospholipid.
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CHAPTER 3 INTERACTIVE READER QUESTIONS
4.
What makes up the head of the phospholipid?
5.
What make up the tail of the phospholipid?
6.
How are phospholipids arranged in a cell membrane? (How do they face?)
7.
What part of the phospholipid has an electrical charge?
8.
List 3 types of molecules found through the phospholipid bilayer.
9.
What model have scientists developed to describe the cell membrane?
10. Why is the membrane “fluid”?
11. Why is the membrane a “mosaic”?
12. What does selective permeability mean?
13. What is meant by semipermeable?
14. Define receptor.
15. When does a cell respond to a receptor?
16. What happens to a receptor when it bonds to a signal?
17. List 2 ways that signals affect genes.
18. Does the signal molecule “itself” enter the cell?
19. Number 1 through 7 and answer the questions on the bottom of page 45.
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CHAPTER 3 INTERACTIVE READER QUESTIONS
3.4 Interactive Reader Questions: Diffusion and Osmosis
1.
Define passive transport.
2.
Explain the meaning of concentration.
3.
Define concentration gradient.
4.
Explain the meaning of diffusion.
5.
When molecules diffuse, they are described as what?
6.
What type of transport is diffusion across the cell membrane?
7.
Does diffusion need energy from the cell?
8.
Define osmosis.
9.
Compare osmosis and diffusion.
10.
Finish the sentence---“Water molecules diffuse across a membrane from. . . . . . .”.
11.
12.
When you dissolve salt in water----- Salt is the _______________? And water is the ________________?
List the 3 types of solution.
13.
List 3 facts about an isotonic solution.
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CHAPTER 3 INTERACTIVE READER QUESTIONS
14.
List 3 facts about a hypertonic solution.
15.
List 3 facts about a hypotonic solution.
16.
Isotonic- Write and complete the sentence---“Equal amounts of water enter and exit the cell, . . . . . .”
17.
Hypertonic- Write and complete the sentence---“ Overall, more water exits a cell that is in a hypertonic
solution, . . . . . .”
18.
Hypotonic- Write and complete the sentence----“Overall, more water enters a cell that is in a hypotonic
solution. . . . .”
19.
Explain the role of transport proteins.
20.
Explain facilitated diffusion.
21.
What type of transport is facilitated diffusion.
22.
Number 1 through 6 and answer the questions on the bottom of page 48.
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CHAPTER 3 INTERACTIVE READER QUESTIONS
3.5 Interactive Reader Questions:Active Transport, Endocytosis, Exocytosis
1. Copy the key concept at the top of page 49.
2. Define active transport.
3. What is the difference between active transport and passive transport?
4. _________ and _________ transport materials across the membrane in ______________.
5. Explain in detail the process of endocytosis.
6. Phagocytosis means “cell eating”. Explain in detail what is involved in phagocytosis.
7. Define exocytosis.
8. What is the purpose of the cell using exocytosis?
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