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Name ______________________________ Class ___________________ Date __________________
Skills Worksheet
Section 1-2(C)
Section: Eukaryotic Cells
CELL WALL
1. What is the function of a cell wall?
_______________________________________________________________
2. What are the cell walls of plants and algae made of?
_______________________________________________________________
3. What are the cell walls of fungi made of?
_______________________________________________________________
CELL MEMBRANE
4. What is a cell membrane?
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
5. What are three types of compounds contained in the cell membrane? (3 points)
_______________________________________________________________
_______________________________________________________________
6. What two substances control the movement of materials into and out of the
cell? (2 points)
_______________________________________________________________
_______________________________________________________________
CYTOSKELETON
_____ 7. A web of proteins in the cytoplasm is known as the
a. phospholipid.
c. cell membrane.
b. cytoskeleton.
d. organelle.
8. What are the two functions of the cytoskeleton? (2 points)
_______________________________________________________________
_______________________________________________________________
_______________________________________________________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
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Cell: The Basic Units of Life
Name ______________________________ Class ___________________ Date __________________
NUCLEUS
____ 9.What is the genetic material contained inside a cell’s nucleus?
a. protein
c. DNA
b. lipids
d. nucleolus
_____ 10. The function of proteins in a cell is to
a. control chemical reactions.
c. cover the nucleus.
b. store genetic information.
d. copy messages from DNA.
_____ 11. What is the nucleolus?
a. the opposite of the nucleus
b. another name for DNA
c. a network of fibers in the cytoplasm
d. a dark area of the nucleus that stores materials and begins to make
ribosomes
RIBOSOMES
12. Organelles that make proteins are called ______________________.
13. Proteins are made of ______________________.
ENDOPLASMIC RETICULUM
14. A system of folded membranes in which proteins, lipids, and other materials
are made is the ______________________.
15. Two forms of endoplasmic reticulum are ________________________and
______________________.
MITOCHONDRIA
_____ 16. What function does a mitochondrion perform?
a. It breaks down sugar to produce energy.
b. It makes proteins.
c. It breaks down toxic materials.
d. It stores material used to make ribosomes.
17. The site of cellular respiration is the ______________________.
18. Energy produced in mitochondria is stored in a substance called
______________________.
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
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Cell: The Basic Units of Life
Name ______________________________ Class ___________________ Date __________________
CHLOROPLASTS
___ 19.Chloroplasts are organelles that are found in the cells of
a. animals.
c. mitochondria.
b. plants and algae.
d. all eukaryotic cells.
___ 20.Which process happens inside a chloroplast?
a. production of ATP
c. photosynthesis
b. production of DNA
d. formation of animal cells
___ 21.Chloroplasts are green because they contain
a. sugar.
c. chlorophyll.
b. proteins.
d. DNA.
GOLGI COMPLEX
___ 22.The function of the Golgi complex is to
a. produce sugar and water.
b. package and deliver proteins.
c. produce oxygen.
d. trap energy from the sun.
CELL COMPARTMENTS
23. A small sac that surrounds material to be moved into or out of a cell is a(n).
______________________
CELLULAR DIGESTION
25. What is the function of lysosomes?
_______________________________________________________________
_______________________________________________________________
26. What function do vacuoles perform in plant and fungal cells?
_______________________________________________________________
_______________________________________________________________
Skills Worksheet
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
6
Cell: The Basic Units of Life
Name ______________________________ Class ___________________ Date __________________
Section 1-2(C)
CRITICAL THINKING
4. .Making Comparisons Describe three ways in which plant cells differ from
animal cells. (3 points)
a. _____________________________________________________________
b. _____________________________________________________________
c. _____________________________________________________________
6. .Predicting Consequences A certain virus attacks the mitochondria in cells.
What would happen to a cell if all of its mitochondria were destroyed?
_______________________________________________________________
_______________________________________________________________
INTERPRETING GRAPHICS
Use the diagram below to answer the questions that follow.
8. Is this a diagram of a plant cell or an animal cell?
_______________________________________________________________
_______________________________________________________________
9. What organelle does the letter B refer to?
_______________________________________________________________
_______________________________________________________________
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
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Cell: The Basic Units of Life
Name ______________________________ Class ___________________ Date __________________
Assessment
Section 1-2 (C)
Section: Eukaryotic Cells
Match the correct definition with the correct term. Write the letter in the space
provided.
_____ 1. a rigid structure that gives support
to a cell
_____ 2. a barrier that encloses and protects
the cell
_____ 3. a web of proteins in the cytoplasm
that keeps a cell’s membrane from
collapsing
a. cell membrane
b. cell wall
c. chloroplasts
d. cytoskeleton
e. endoplasmic reticulum
f. Golgi complex
_____ 4. a large organelle that produces and
stores the cell’s DNA
g. lysosomes
_____ 5. organelles that make proteins
h. mitochondrion
_____ 6. a system of folded membranes that
functions as the internal delivery
system of acell
i. nucleus
j. ribosomes
_____ 7. an organelle that functions as the
main power source of a cell,
breaking down sugar to produce
energy
_____ 8. organelles in which photosynthesis
takes place
_____ 9. the organelle that packages and
distributes proteins
_____ 10. organelles that contain digestive
enzymes
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
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Cell: The Basic Units of Life
Name ______________________________ Class ___________________ Date __________________
Skills Worksheet
Section 1-2 (C)
Building a Eukaryotic Cell
Complete this worksheet after you finish reading the section “Eukaryotic Cells.”
Below is a list of the features found in eukaryotic cells. Next to each feature, write
P if it is a feature found only in plant cells and a B if it is a feature that can be
found in both plant and animal cells.
_____ 1. endoplasmic reticulum
_____ 7. Golgi complex
_____ 2. mitochondria
_____ 8. cell wall
_____ 3. nucleus
_____ 9. vesicles
_____ 4. cell membrane
_____10. DNA
_____ 5. cytoplasm
_____11. nucleolus
_____ 6. ribosomes
_____12. chloroplasts
In the space provided, label the structures of the eukaryotic cell drawn below.
Include only the structures that you labeled B above.
Original content Copyright © by Holt, Rinehart and Winston. Additions and changes to the original content are the responsibility of the instructor.
Holt Science and Technology
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Cell: The Basic Units of Life