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Grade 9 Life Science - Cells

Total questions: 162

Worksheet time: 3hrs 24mins

Name
Class
Date
1.
What is the correct order of organization
a)
tissues-cells-organs-organ systems-organism
b)
cell-tissue-organs-organ systems-organism
c)
organism-cells-tissues-organ systems-organism
d)
tissues-cells-organs-organ sytems-organism
2.

This name means that there are multiple layers of cells

a)

Simple

b)

Stratified

c)

Columnar

d)

Pseudostratified

3.

Name the type of epithelium

a)

simple cuboidal

b)

simple squamous

c)

simple columnar

d)

stratified squamous

4.

This type of muscle has no striations and is involuntary, which means that we cannot consciously control it.

a)

skeletal

b)

smooth

c)

cardiac

5.

What do all cells need in order to function?

a)

plasma

b)

oxygen

c)

carbon dioxide

d)

platelet

6.
Which organelle is found only in plant cells?
a)
nucleus
b)
mitochondria
mitochondria
c)
chloroplast
d)
cell membrane
7.
Which organelle directs all cell activities, using the DNA stored inside of it?
a)
lysosomes
b)
ribosomes
c)
nucleus
d)
mitochondria
8.
Which of the following is directly involved in the transportation of materials inside the cells?
a)
endoplasmic reticulum
b)
lysosome
c)
vacuole
d)
mitochondria
9.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
mitochondrion
d)
golgi apparatus
10.
You might think of me as the trash collector, but recycler is maybe more accurate. What am I?
a)
mitochondria
b)
lysosome
c)
vacuole
d)
ribosome
11.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
SER
c)
DNA
d)
ATP
12.
Which part of the cell is often called the "brain" of the cell?
a)
endoplasmic reticulum
b)
golgi apparatus
c)
nucleus
d)
mitochondria
13.
What is found in both plant and animal cells but is much larger in plant cells?
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
vacuole
14.
Where are proteins made?
a)
ribosomes
b)
chromosomes
c)
golgi apparatus
d)
mitochondria
15.
This organelle takes sunlight and turns it into energy for plant cells.
a)
lysosome
b)
chloroplast
c)
mitochondria
d)
nucleus
16.
I am the outer most layer of an animal cell.
a)
cell wall
b)
nucleus
c)
cell membrane
d)
cell skin
17.
What are tiny organelles that convert glucose to ATP?
a)
ribosomes
b)
vesicles
c)
cytoskeletons
d)
mitochondria
18.
A rigid layer that lies outside the cell's membrane is...
a)
cytoskeleton
b)
cilia
c)
cell wall
d)
cytoplasm
19.
What organelle is called the powerhouse of the cell?
a)
endoplasmic reticulum
b)
nucleus
c)
golgi apparatus
d)
mitochondria
20.
What organelle uses enzymes to help with digestion?
a)
lysosomes
b)
ribosomes
c)
endoplasmic reticulum
d)
vacuoles
21.
What is the gel like substance called inside cells?
a)
cytoskeleton
b)
cytoplasm
c)
smooth ER
d)
cilia
22.
Which organelle is the main producer of ATP?
a)
mitochondria
b)
endoplasmic reticulum
c)
ribosomes
d)
lysosomes
23.
Which organism can circular DNA called plasmids be found?
a)
Eukaryotes
b)
Prokaryotes
24.
Which cell type are found in bacteria?
a)
Prokaryotes
b)
Eukaryotes
25.
Which cell type is larger?
a)
Prokaryotes
b)
Eukaryotes
26.

Who came up with the name "cells" while looking at a slice of cork under a microscope?

a)

Matthias Schleiden

b)

Anton van Leeuwenhoek

c)

Robert Hooke

d)

Rudolf Virchow

27.

Who looked at living organisms in dental scrapings and pond water, and became known as "the father of microbiology?"

a)

Rudolf Virchow

b)

Anton van Leeuwenhoek

c)

Matthias Schleiden

d)

Theodor Schwann

28.

In 1838, who was the German botanist that found that all plants were made of cells?

a)

Matthias Schleiden

b)

Theodor Schwann

c)

Rudolf Virchow

d)

Robert Hooke

29.

In 1839, who was the German physician that added to the cell theory by finding all animals were made of cells?

a)

Anton van Leeuwenhoek

b)

Robert Hooke

c)

Matthias Schleiden

d)

Theodor Schwann

30.

Prokaryotes are

a)

bacteria

b)

fungi

c)

plants

d)

animals

31.

Prokaryotic cells do NOT have membrane bound organelles or ______________________________.

a)

cytoplasm

b)

a nucleus

c)

ribosomes

d)

DNA

32.

In eukaryotic cells DNA is primarily contained within the:

a)

cytoplasm

b)

ribosomes

c)

vacuoles

d)

nucleus

33.

Eukaryotes include fungi, plants, animals, and....

a)

bacteria

b)

protists

c)

archaebacteria

d)

eubacteria

34.

Of the two types of cells, which one is smaller and more simplistic?

a)

prokaryotic cells

b)

eukaryotic cells

35.

Which German scientist published findings that all cells come from existing cells?

a)

Theodor Schwann

b)

Rudolf Virchow

c)

Matthias Schleiden

d)

Robert Hooke

36.

What kind of microscope (seen here) is common in classrooms, uses light to shine through a sample, with a maximum magnification of about 1000 to 1500x?

a)

Dissecting microscope

b)

Compound light microscope

c)

Scanning Electron Microscope (SEM)

d)

Transmission Electron Microscope (TEM)

37.

The fluid portion of the cell (all cells have this):

a)

nucleus

b)

cytoplasm

c)

pili

d)

cell membrane

38.

Structures that have different jobs within the cell:

a)

antibodies

b)

lipids

c)

organelles

d)

blood cells

39.

What is NOT a part of cell theory:

a)

all cells come from existing cells

b)

all cells have a nucleus

c)

all living things are made of cells

d)

cells are basic unit of structure and function in living things

40.

All cells have a cell membrane, cytoplasm, DNA, and...

a)

cell wall

b)

nucleus

c)

ribosomes

d)

chloroplast

41.

Structure in the cell made of protein and RNA, used for protein synthesis...(found in all cells)

a)

nucleus

b)

cell membrane

c)

cytoplasm

d)

ribosomes

42.
What is the function of the structures shown on these two cells?
a)
reproduction
b)
grasping food
c)
motility
d)
attachment to a surface or another cell.
43.
What structures are found in ALL prokaryotic AND Eukaryotic Cells?
a)
flattened, stack-like structures which process macromolecules.
b)
a continuous, interconnected network of membranes.
c)
small, protein -producing units composed of RNA and protein.
d)
Power-producing organelles that convert energy into usable forms.
44.
Which structures are found in plant cells, but not in animal cells?
a)
Cell membranes and mitochondria
b)
Vacuoles and cholorplasts
c)
Cell walls and cytoplasm
d)
Chloroplasts and cell walls
45.
Which of the following is evidence that a cell is prokaryotic?
a)
Cell wall
b)
Cytoplasm
c)
Ribosome
d)
Nucleoid Region 
46.
Which of the following is NOT evidence that a cell is Eukaryotic?
a)
Ribosomes
b)
Mitochondria
c)
Lysosomes
d)
Internal membranes
47.
Identify the correct order of the levels of organization from smallest to largest.
a)
molecule, atom, organelle, cell
b)
atom, molecule, cell, organelle
c)
atom, molecule, organelle, tissue
d)
atom, molecule, organelle, cell
48.
Nucleic acid is found in both prokaryotic cells and eukaryotic cells: 
a)
True
b)
False
c)
I don't know what Nucleic Acid is.
49.
Which structure is found only in eukaryotic cells?
a)
DNA
b)
Phospholipid membrane
c)
Nuclear membrane
d)
Cytoplasm
50.
Which cellular structure in plants is responsible for photosynthesis?
a)
Nucleus
b)
Cell membrane
c)
Mitochondrion
d)
Chloroplast
51.
What is the function of the cell membrane, in ALL living organisms?
a)
Provides support and structure in the cell.
b)
Synthesizes protein for ATP for the cell.
c)
Storage of raw materials (food) and ATP for the cell. 
d)
Regulates the transport of materials into and out of the cell. 
52.
What characteristic is found in both prokaryotic and eukaryotic cells?
a)
Mitochondrion
b)
ER
c)
Vacuole 
d)
Ribosome
53.
What structure is found in plants, but not fungi or animal cells?
a)
Mitochondria
b)
Cell Wall
c)
Phospholipid Bi-layer
d)
Chloroplast
54.
Which of the following does not describe Prokaryotic Cells?
a)
Has DNA as genetic material.
b)
Perform metabolic functions with the help of chemical processes.
c)
Transport of nutrients and waste through the plasma membrane.
d)
Produces ATP by using mitochondria.
55.
What characteristic defines this organism as prokaryotic?
a)
Ability to move
b)
Ability to respond
c)
Shape and size
d)
Lacking of membrane-bound organelles
56.
What type of transport is occurring in Part C of the diagram shown?
a)
Active Transport
b)
Osmosis
c)
Facilitated Diffusion
d)
Diffusion
57.
What is the main difference between prokaryotic and eukaryotic cells?
a)
Prokaryotic cells have a nucleus and Eukaryotic cells do not
b)
Prokaryotic cells are unicellular and Eukaryotic cells are multicellular.
c)
Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus.
d)
Prokaryotic cells are plant cells and Eukaryotic cells are animal cells.
58.
Identify which of these is NOT a major difference between plant and animal cells.
a)
Only plant cells have a cell wall.
b)
Only animal cells have mitochondria.
c)
Animal cells do NOT contain chloroplasts.
d)
Plant cells have a large central vacuole.
59.
Ribosomes are the cell organelle that
a)
Break down food to produce energy for the cell.
b)
Produce proteins for the cell.
c)
Break down broken cell parts.
d)
Make food for the cell using the sun's energy.
60.
Organisms composed of many cells are called
a)
Prokaryotic
b)
Eukaryotic
c)
Unicellular
d)
Multicellular
61.
Which types of organisms are Prokaryotes?
a)
Animals
b)
Plants
c)
Fungi
d)
Bacteria
62.
Unicellular organisms are
a)
Prokaryotic
b)
Eukaryotic
c)
Made of many cells
d)
Made of one cell
63.
Which organelle is found in both plant and animal cells and converts sugars into energy?  (the powerhouse of the cell)
a)
Mitochondria
b)
Cell Wall
c)
Cell Membrane
d)
Vacuole
64.
Which statement is not part of the cell theory?
a)
All cells come from other cells.
b)
All living things have one or more cells.
c)
Cells are a living thing's basic unit of structure and function.
d)
All cells have a nucleus.
65.
Allows materials to come in and out of the cell
a)
Cell Wall
b)
Cell Membrane
c)
Vacuole 
d)
Mitochondria
66.
Found in plant cells; traps energy from the sun to make food
a)
Cell Wall
b)
Cell Membrane
c)
Mitochondria 
d)
Chloroplasts
67.
Which type of cell looks more square?
a)
Animal Cells
b)
Plant Cells
c)
Both Plants and Animal Cells
d)
Skin cells
68.
Storage of materials 
a)
Cell Wall
b)
Chloroplasts
c)
Vacuole
d)
Nucleus
69.
Found in plant cells but not in animal cells and provides protection
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Cell Wall
70.

What is this structure?

a)

Mitochondria

b)

Nucleus

c)

Chloroplast

d)

Vacuole

71.

What is this structure?

a)

Cell membrane

b)

Cytoplasm

c)

Cell wall

d)

Chloroplast

72.

What is this structure?

a)

Chloroplast

b)

Cytoplasm

c)

Mitochondria

d)

Vacuole

73.

What is this structure?

a)

Chloroplast

b)

Nucleus

c)

Mitochondria

d)

Vacuole

74.

Which organelle is the control center of the cell.?

a)

nucleus

b)

cell membrane

c)

ER

d)

ribosomes

75.

The nucleus

a)

Controls what enters and leaves the call

b)

Contains genetic material

c)

Makes proteins for the cell

d)

Makes food for the cell

76.

gel-like substance that surrounds the organelles of a cell

a)

Cytoplasm

b)

Mitochondria

c)

DNA

d)

Chloroplasts

77.

receives, packages and distributes proteins

a)

golgi body

b)

chloroplast

c)

ribosomes

d)

lysosome

78.

protects and supports plant cells

a)

cell wall

b)

cell membrane

c)

mitochrondria

d)

cytoplasm

79.

Convert's the sun's energy to food for the cell

a)

chloroplast

b)

nucleus

c)

endoplasmic reticulum

d)

lysosome

80.

storage area for the cell

a)

vacuole

b)

cytoplasm

c)

chloroplast

d)

cell wall

81.

controls what enters and leaves the cell

a)

cell membrane

b)

cell wall

c)

endoplasmic reticulum

d)

golgi body

82.

builds proteins for cell functions

a)

ribosomes

b)

mitochondria

c)

nucleus

d)

lysosome

83.

powerhouse of the cell, produces energy

a)

mitochondria

b)

nucleus

c)

cytoplasm

d)

chloroplast

84.

command center, direct's the cell's activities

a)

nucleus

b)

lysosome

c)

mitochondria

d)

endoplasmic reticulum

85.

breaks down food and worn out parts

mostly in animal cells

a)

lysosome

b)

vacuole

c)

cell wall

d)

golgi body

86.

transports materials in the cell

a)

endoplasmic reticulum

b)

golgi body

c)

ribosomes

d)

mitochondria

87.

fluid that fills the cell

a)

cytoplasm

b)

vacuole

c)

chloroplast

d)

golgi body

88.

Which organelle is circled in the diagram?

a)

Nucleus

b)

Mitochondria

c)

Vacuole

d)

Ribosomes

89.

Which organelle is colored in the diagram?

a)

Nucleus

b)

Mitochondria

c)

Vacuole

d)

Ribosomes

90.

Which organelle is colored in the diagram?

a)

Nucleus

b)

Mitochondria

c)

Vacuole

d)

Ribosomes

91.

Which part is colored in the picture? (Look closely--it's the little dots!)

a)

Nucleus

b)

Mitochondria

c)

Vacuole

d)

Ribosomes

92.

Which organelle is colored in this picture?

a)

Cell membrane

b)

Cytoplasm

c)

Vacuole

d)

Nucleus

93.

Which organelle is colored in this picture?

a)

Plasma membrane

b)

Cytoplasm

c)

Vacuole

d)

Nucleus

94.

Which organelle is colored in this picture?

a)

Cytoplasm

b)

Chloroplast

c)

Ribosomes

d)

Nucleus

95.

Which organelle is colored in this picture?

a)

Endoplasmic reticulum

b)

Gogli body

c)

Lysosomes

d)

Cell mebrane

96.

Which organelle is colored in this picture?

a)

lysosome

b)

nucleus

c)

cytoplasm

d)

chloroplast

97.
What structure is in plant cells but not animal cells?
a)
Cell Membrane
b)
Mitochondria
c)
Cell Wall
d)
Vacuole
98.
This organelle is a gel-like fluid that takes up most of the space inside the cell. 
a)
Cytoplasm
b)
Cell Membrane
c)
Vacuole
d)
Golgi Body
99.
Where is the genetic material found in the cell? 
a)
Nucleolus
b)
Cytoplasm
c)
Nucleus
d)
Chloroplast
100.
In many cells, this is the structure that controls the cell's activities.
a)
Cell membrane
b)
Organelle
c)
Nucleolus
d)
Nucleus
101.
What distinguishes a eukaryotic cell from a prokaryotic cell is the presence of 
a)
A cell wall
b)
A nucleus
c)
DNA
d)
Ribosomes
102.
In eukaryotic cells, chromosomes carrying genetic information are found in the
a)
Ribosomes
b)
Lysosomes
c)
Nucleus
d)
Cell Membrane
103.
Which one of the following is not part of the cell theory?
a)
all living things are made of cells
b)
cells are the basic units of structure and function of living things
c)
new cells are produced from existing cells
d)
cells never die
104.
What structure is responsible for making proteins?
a)
Nucleus
b)
Mitochondria
c)
Golgi Apparatus
d)
Ribosome
105.
This organelle moves materials throughout the cell. 
a)
Endoplasmic Reticulum
b)
Ribosomes
c)
FedEx
d)
Golgi Complex
106.
Which organelle packages up waste to be eliminated?
a)
Golgi Complex
b)
ribosomes
c)
nucleus
d)
Endoplasmic Reticulum
107.
What is the difference between rough and smooth Endoplasmic Reticulum?
a)
There is no difference.
b)
Plants have rough ER, animals have smooth ER.
c)
What type of injuries the Doctors treat.
d)
Rough has ribosomes, smooth does not.
108.
This organelle acts like a gatekeeper, allowing some materials to pass through it, but not others. 
a)
Cytoplasm
b)
Cell Membrane
c)
Mitochondria
d)
Vacuole
109.

Smears are often made of blood or slime that is smeared over the slide and allowed to dry before observing them.

a)

True

b)

False

110.

Red blood cells are mostly flat.

a)

True

b)

False

111.

Choose the correct answer(s) about Epithelial cells.

a)

They are long and spindle shaped.

b)

They cover the surface of the body for protection.

c)

They carry oxygen through the body.

d)

They are mostly flat.

112.

Select false statement(s) about nerve cells.

a)

they can contract and relax allowing for movement within your body.

b)

the are very long and have branched ends.

c)

some are long and spindle shaped.

d)

they are specialized to carry messages that coordinate the functions of the body.

113.

in a short paragraph, describe the process of Calvin cycle that takes place in a stroma.

4 lines
114.

Briefly explain how the sunlight reaches the chloroplast in the process of photosynthesis.

4 lines
115.

Which letter represents the cell membrane?

a)

F

b)

G

c)

H

d)

I

116.

Which letter represents the nucleus?

a)

A

b)

B

c)

C

d)

D

117.

Which letter represents cytoplasm?

a)

F

b)

G

c)

H

d)

I

118.

Which letter represents the chloroplast?

a)

D

b)

E

c)

F

d)

G

119.

Which letter represents the mitochondria?

a)

A

b)

B

c)

C

d)

D

120.

Which letter represents the central vacuole?

a)

B

b)

C

c)

D

d)

E

121.

Which letter represents the ribosomes?

a)

D

b)

E

c)

F

d)

G

122.

Which letter represents the vacuole?

a)

F

b)

G

c)

H

d)

I

123.

What is the function of the nucleus?

a)

Produce energy (ATP)

b)

To control the cell

c)

Control what enters and exits the cell

d)

Produce proteins

124.

What is the function of the mitochondria?

a)

To produce energy (ATP)

b)

To control the cell

c)

To control what enters and exits the cell

d)

Store water, wastes, and nutrients

125.

What is the function of the vacuole and central vacuole?

a)

To protect the cell

b)

To control what enters and exists the cell

c)

To produce proteins

d)

To store water, wastes, and nutrients

126.

What is the function of the cytoplasm?

a)

To produce proteins

b)

Fills the cell and allows organelles to move

c)

Protects the cell

d)

To produce food for the cell

127.

What is the function of the cell wall?

a)

To control the cell's activity

b)

To produce energy (ATP)

c)

To protect the plant cell

d)

To protect the animal cell

128.

What is the function of the chloroplast?

a)

To produce food for plant cells (photosynthesis)

b)

To produce proteins

c)

To produce energy (ATP) (cellular respiration)

d)

To store water, wastes, and nutrients

129.

What is the function of the cell membrane?

a)

To control the cell's activity

b)

To protect the cell

c)

To control what enters and exits the cell

d)

To produce waste

130.

What is the main function of the ribosomes?

a)

To produce energy (ATP)

b)

To produce waste

c)

To produce proteins

d)

To produce food (photosynthesis)

131.

Which letter represents the cell wall?

a)

C

b)

D

c)

E

d)

F

132.
Which of the following pairs INCORRECTLY matches a cell structure with its function?
a)
cell membrane: protein synthesis
b)
nucleus: information (DNA) storage
c)
vacuole: storage
d)
chloroplast: energy conversion
133.
Some viruses attack cells by inserting their own DNA into the host cell's DNA. Why might it be simpler for these viruses to attack prokaryotic cells than eukaryotic cells?
a)
prokaryotic cells have less DNA than do eukaryotic cells.
b)
Unlike eukaryotic cells, prokaryotic cells do not have a nucleus.
c)
The cell wall in prokaryotic cells is a less effective barrier.
d)
The rapid growth of prokaryotic cells generates more viruses.
134.
Which of the following is a function of the Golgi apparatus?
a)
storing genetic information
b)
recycling waste products of the cell
c)
providing a protective barrier
d)
processing and storing proteins
135.
The graph shows the number of mitochondria in breast muscles of different birds. Which statement best explains these data?
a)
The number of mitochondria in chickens would be higher if they could fly.
b)
The chicken breast muscle requires the greatest amount of energy per cell.
c)
The energy requirement of pigeon breast muscle is low.
d)
Duck breast muscle require the least amount of energy.
136.
____ is the ability of a cell to regulate itself and maintain an internal ____ or equilibrium. 
a)
Homeostasis, level
b)
Equilibrium, level
c)
Homeostasis, balance
d)
Equilibrium, balance
137.
Basic structure of a virus includes a capsid, ___, envelope, and ______.
a)
receptors, nucleic acids
b)
protein coat, DNA or RNA
c)
capsule, nuclear membranes
d)
attachment, cell membranes
138.
Viruses reproduce by taking over normal healthy cells and ____ their nucleic acid into the cell. 
a)
rejecting
b)
attaching
c)
injecting
d)
projecting
139.
What is the role of the cell membrane?
a)
Create ATP
b)
Create protiens
c)
Regulate temperature
d)
Regulate the transport of in and out
140.
What is another name for cell membrane?
a)
Great Wall of China
b)
Berlin Wall
c)
Plasma Membrane
d)
Cell Wall
141.
What do we call the inside of the cell?
a)
Cytoplasm
b)
Organelle
c)
Nucleus
d)
Cytoskeleton
142.
What makes up the cell membrane?
a)
Lipid Monolayer
b)
Lipid Bilayer
c)
Protiens
d)
Carbohydrate Chains
143.
Which of the following is not found in the nucleus?
a)
DNA
b)
Nuclear Envelope
c)
Nucleolus
d)
Golgi Apparatus
144.
What is made in the nucleolus?
a)
DNA
b)
Protiens
c)
Ribosomes
d)
ATP
145.
What structure is responsible for making proteins?
a)
Nucleus
b)
Mitochondria
c)
Golgi Apparatus
d)
Ribosome
146.
Besides the cytoplasm, where else do we find ribosomes?
a)
Vacoule
b)
Cell Membrane
c)
Endoplasmic Reticulum
d)
Lysosome
147.
What is the function of the rough endoplasmic reticulum?
a)
to make energy
b)
modify and transport proteins made by the ribosomes on it
c)
store water and other vital molecules
d)
to make new membranes and neutralize toxins
148.
Membrane packages that carry molecules around the cell or out of the cell.
a)
Golgi Apparatus
b)
Vacuole
c)
Lysosome
d)
Vesicles
149.
Vesicle filled with digestive enzymes that break down lipids, carbohydrates, and proteins into monomers. Recycle damaged or unused organelles.
a)
ER
b)
Lysosome
c)
Vacuole
d)
Mitochondria
150.
Small finger like projections make from microtubules that move the cell or move materials around.
a)
Cilla
b)
Flagellum
c)
Fingerlings
d)
Lemmings
151.
The cell theory states that the cell is the most basic unit of life, all organisms are made of cells, and all cells come from cells. What makes the cell theory a scientific theory?
a)
It is based on a scientific publication that is read by scientists worldwide.
b)
It is based on the work of many scientists and leads to accurate predictions.
c)
It is based on ideas that have been proven true and that are not subject to revision.
d)
It is based on preliminary evidence but sill needs to be confirmed with experiments.
152.
Bacteria, protist, animal and plant cells all have a _______
a)
cell membrane
b)
nucleus
c)
chloroplasts
d)
cell wall
153.
The function of this organelle is to store water. Large ones are found in plants. 
a)
Lysosome
b)
Golgi Body
c)
Cytoplasm
d)
Vacuole
154.
This organelle is in both plants and animals. It is a barrier between the cell and the environment.  It controls what goes in and out of a cell.
a)
cell wall
b)
cell membrane
c)
cell organelles
d)
mitochondria
155.
This organelle is in all eukaryotic cells. It is the control center of the cell because it holds the DNA.
a)
Mitochondria
b)
Nucleus
c)
Chloroplasts
d)
Ribosomes
156.
Which of the following is directly involved in the transportation of materials inside/within the cell?
a)
Endoplasmic Reticulum
b)
Vacuole
c)
Lysosome
d)
Mitochondria
157.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
mitochondrion
d)
golgi apparatus
158.
Some cells, such as human nerve and muscle cells, contain many more mitochondria than do other cells, such as skin cells.  Why do some cells have more mitochondria than others?
a)
The cells use more energy
b)
The cells store more nutrients
c)
The cells degrade more proteins
d)
The cells divide more frequently
159.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
160.
_ are organelles responsible for digesting certain materials within the cell.
a)
vacuoles
b)
chloroplasts
c)
lysosomes
d)
cell membrane
161.
What organelle PRODUCES proteins?
a)
ribosomes
b)
centrioles
c)
lysosomes
d)
nucleus
162.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome

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