CHAPTER 7 HW
Name: ____________________________________Date: __________________Class Color: __________________
Part A: Assignment
Homework Due Wednesday, ________________________
Biology (Mrs. Meizoso)
1.
Cells are the basic units of ____________________ and ____________________ in living things.
2.
What two organelles do plant cells have that animal cells do not?
3.
What is the cell theory?
4.
What are the different types of microscopes?
5.
How are prokaryote and eukaryote cells different?
Match the cell structure on the left with the definition on the right.
3.
_____ cell membrane
4.
_____ cytoplasm
5.
_____ nucleus
6.
_____ endoplasmic reticulum
7.
_____ Golgi apparatus
8.
_____ ribosome
9.
_____ mitochondria
10.
_____ chloroplast
11.
_____ vacuole
12.
_____ cell wall a.
portion of the cell between the cell membrane and the nucleus b.
modifies, sorts, and packages materials from the endoplasmic reticulum c.
protects the cells and regulates what materials enter and leave the cells d.
contains the green pigment chlorophyll e.
contains nearly all of the cell's DNA f.
saclike structure often used to store materials such as water, salts, and proteins g.
made mostly of cellulose h.
produces proteins by following coded instructions from the nucleus i.
converts chemical energy stored in food into compounds that are more convenient for cells to use j.
made up of two types, rough and smooth; each with its own function
1.
Briefly describe the main functions of a cell membrane.
2.
Define the term selectively permeable.
3.
Define diffusion.
4.
When the concentration of the solute is the same throughout a system, the system has reached
____________________.
5.
During diffusion, substances will tend to move from an area of ____________________ concentration to an area of
____________________ concentration.
6.
If there is more solute inside a membrane than outside, solute particles will move across the membrane to the
____________________ of the cell to achieve equilibrium.
7.
Briefly describe the main functions of a cell membrane.
8.
Define the term selectively permeable.
9.
Define diffusion?
10.
What is the role of the cell nucleus?

11.
When the concentration of the solute is the same throughout a system, the system has reached
____________________.
12.
During diffusion, substances will tend to move from an area of ____________________ concentration to an area of
____________________ concentration.
13.
If there is more solute inside a membrane than outside, solute particles will move across the membrane to the
____________________ of the cell to achieve equilibrium.
14.
Define osmosis.
15.
Is osmosis a form of active transport or passive transport? Explain.
16.
Define isotonic.
17.
The concentration of a solution is the ____________________ of solute in a given ____________________ of solution.
Part B: Assignment
Describe the direction water will move in each of the following cases. Draw a picture.
 A cell is placed in a hypotonic solution.
 A cell is placed in an isotonic solution.
 A cell is placed in a hypertonic solution.
1.
Some substances move across a cell membrane from areas of ____________________ concentration to areas of
____________________ concentration by the process of diffusion.
2.
Define active transport.
3.
List three types of active transport and briefly describe each one.
4.
The sodium potassium pump is an example of which form of active transport?
5.
Briefly describe the function of the sodium potassium pump.
6.
Describe what happens to large molecules, such as food particles, during phagocytosis.
7.
Describe what happens during exocytosis.
See page 175 to fill out information for this table
Structure Function Prokaryote Eukaryote
Animal
Eukaryote
Plant
Cellular Control
Center
Nucleus
Organelles that store, clean-up and support
Vacuoles and vesicles
Lysomes
Cytoskeleton
Centrioles

Organelles that build proteins
Ribosomes
Endoplasmic reticulum
Golgi apparatus
Organelles that capture and release energy chloroplast mitochondria
Cellular boundaries
Cell Wall
Cell Membrane
Part C: Assignment COMPOSITION NOTEBOOK
Define the following Vocabulary words in your composition book
1.
Nucleus
2.
Eukaryote
3.
Prokaryote
4.
Cytoplasm
5.
Organelle
6.
Vacuole
7.
Lysosome
8.
Cytoskeleton
9.
Ribosome
10.
Endoplasmic reticulum
11.
Golgi apparatus
12.
Chloroplast
13.
Mitochondrion
14.
Lipid bilayer
15.
Diffusion
16.
Facilitated diffusion
17.
Osmosis
18.
Protein pumps
Part D: Assignment TEXTBOOK
Textbook assignment done in your composition book:

Check understanding pg. 187-188

Section 7-1: Questions (3)

Section 7-2: Questions (8)

Section 7-3: Questions (12)

Section 7-4: Questions (14)
Part E: Assignment WORKBOOK
Workbook Assignment:

Pg. 112(1-15)

Pg. 113-114(1-5)
19.
Endocytosis
20.
Exocytosis
21.
Active transport
22.
Homeostasis
23.
Tissue
24.
Organ
25.
Organ system

A
C
C
Directions: Color each part of the cell its designated color.
Cell Membrane(light brown) Nucleolus (black)
Cytoplasm (light yellow)
Nucleoplasm (pink)
Nuclear Membrane(dark brown)
Golgi Apparatus (pink)
Flagella (red/blue striped)
Rough Endoplasmic Reticulum (dark blue)
Smooth Endoplasmic Reticulum( light blue)
Mitochondria (orange)
Lysosome (purple)
Microtubules (dark green)
Ribosome (red)
II. Briefly describe the function of the cell parts.
1. Cell membrane ____________________________________________________________________________________
2. Endoplasmic Reticulum __________________________________________________________________________
3. Ribosome ________________________________________________________________________________________
4. Golgi apparatus ___________________________________________________________________________________
5. Lysosome ________________________________________________________________________________________
6. Microtubule _______________________________________________________________________________________
7. Mitochondria ______________________________________________________________________________________
8. Nucleus ________________________________________________________________________________________

P
C
C
Cell Membrane (orange)
Nucleoplasm (yellow)
Mitochondria (red)
Vacuole (lt. Blue)
Chromatin (gray)
Cell Wall (dark green)
Nucleolus (brown)
Chloroplasts (light green)
Smooth Endoplasmic Reticulum (pink)
Rough Endoplasmic Reticulum (pink)
Ribosome (purple)
Cytoplasm (white)
Golgi Apparatus (dk blue)
Analysis
1. Name two things found in a plant cell that are not found in an animal cell:
2. How does the shape of a plant cell differ from that of an animal cell?
3. What is the function of the chloroplasts?
4. What is the function of the vacuole?