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Ch.4-5.1

Total questions: 181

Worksheet time: 15hrs 5mins

Name
Class
Date
1.

The cell membrane is made mostly of

a)

carbohydrates and lipids

b)

proteins and carbohydrates

c)

lipids and proteins

d)

proteins only

2.

A is the (a)   (2 words)

3.

B is the (a)  

4.

C is the (a)  

5.

D is the (a)   (2 words)

6.

E is the (a)   (2 words)

7.

F is the (a)   (2 words)

8.

the nucleus is surrounded by a (a)   membrane

9.

What is false about DNA?

a)

almost all of it is in the nucleus

b)

it contains instructions for making lipids

c)

it contains coded instructions for the genetic makeup of future cells

d)

it contains instructions for making proteins

10.

What is true about the nuclear pores?

a)

they are found inside the nucleus

b)

there are 100's of them on the nucleus

c)

they allow materials to move in and out of nucleus

d)

they are made by ribosomes

11.

What contains protein-building instructions to the ribosomes?

a)

RNA

b)

DNA

c)

chromosomes

d)

genes

12.

Which is true of ribosomes?

a)

The nucleolus manufactures the subunits that make up the ribosomes.

b)

The chromatin manufactures the subunits that make up the ribosomes.

c)

The nucleoplasm manufactures the subunits that make up the ribosomes.

d)

The mitochondria manufactures the subunits that make up the ribosomes.

13.
Where can you find ribosomes? 
a)
only in prokaryotic cells
b)
only in plant cells
c)
only in eukaryotic cells
d)
in both prokaryotic and eukaryotic cells
14.
Which type of ribosome creates the most proteins that are transported out of the cell? 
a)
bound
b)
free-floating
15.
Which type of ribosome creates the most proteins that are used by the cell?
a)
bound
b)
free-floating
16.
A ribosome can be best described as...
a)
a protein factory
b)
a trash collector
c)
the powerhouse of the cell
d)
the brain of the cell
17.
What are ribosomes made of?
a)
tissue
b)
organelles
c)
ribosomal RNA molecules and proteins
d)
DNA
18.

Ribosomes are found in following cells

a)

animal

b)

plant

c)

prokaryotic

d)

bacteria

19.

Which organelle acts like a cellular stomach and degrades things?

a)

Lysosome

b)

Mitochondria

c)

Vacuole

d)

Vesicle

20.

Which organelle makes ribosomes?

a)

Nucleus

b)

Nucleolus

c)

Vacuole

d)

Golgi Body

21.

Which organelle acts like a transportation bubble - carrying things into, around, or out of a cell?

a)

Vesicle

b)

Mitochondria

c)

Chloroplast

d)

Ribosome

22.

Which organelle makes lipids and detoxifies toxins?

a)

Rough ER

b)

Ribosome

c)

Lysosome

d)

Smooth ER

23.

A cross section of part of a Golgi complex is shown. Part of the membrane of the Golgi complex pinches off and moves away. Which of the following is a function of this process?

a)

to release energy from ATP

b)

to deliver proteins to other locations in the cell

c)

to collect amino acids for use in protein synthesis

d)

to sent messages about cell requirements to the nucleus

24.
Which of the following is NOT a function of the endomembrane system?
a)
Compartmentalization (creates different areas in the cell which do different things)
b)
Detoxification
c)
Protein modification and transportation of proteins
d)
Creation of ATP (energy)
25.

Tay-Sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large and complex lipids. Which cellular organelle must be involved in this condition?

a)

the endoplasmic reticulum

b)

the Golgi apparatus

c)

the lysosome

d)

membrane-bound ribosomes

26.

Liver cells are specialized cells that carry out a multitude of tasks, including the synthesis of cholesterol and the breakdown of protein metabolites. These cells would be expected to contain a large proportion of which organelle relative to all others?

a)

smooth ER

b)

rough ER

c)

golgi

d)

nucleolus

27.
Modifies lipids and proteins from the ER; sorts them and packages them in vesicles
a)
Smooth ER
b)
Rough ER
c)
Nucleolus
d)
Golgi Apparatus
28.
Synthesizes lipids, stores calcium, detoxifies drugs and poisons
a)
Rough ER
b)
Smooth ER
c)
Golgi Apparatus
d)
Peroxisomes
29.
Synthesizes proteins and packages them in vesicles; vesicles commonly go to the Golgi Apparatus
a)
Rough ER
b)
Smooth ER
c)
Nucleolus
d)
Nucleus
30.
Fuse with the plasma membrane
a)
Golgi Apparatus
b)
Lysosomes
c)
Secretory Vesicles
d)
Transport Vesicles
31.
What is the function of the vacuole?
a)
Storage of water and nutrients
b)
Receives, modifies, and ships out proteins
c)
Transports ribosomes
d)
Transports proteins in a small bubble like package
32.

What structures move proteins from the ER to the Golgi Apparatus?

a)

Ribosomes

b)

Nucleolus

c)

Lysosomes

d)

Nucleosomes

e)

Transport Vesicles

33.

Which of the following is a function of the Golgi Apparatus?

a)

Protection and support of the cell.

b)

Protein synthesis

c)

Protein modification

d)

Drug detoxification

e)

Digestion of organic matter inside the cell

34.
Shuttles proteins and lipids to various locations such as the Golgi apparatus
a)
Secretory Vesicles
b)
Transport Vesicles
c)
Lysosomes
d)
Peroxisomes
35.
Attached to the outside of the Rough ER
a)
Centrioles
b)
Ribosomes
c)
Lysosomes
d)
Peroxisomes
36.

Sometimes a protein is made that will be released out of the cell. Which of these is the correct order of steps for this to happen?

a)

Made in rough ER, shipped to Golgi, vesicle travels to membrane and fuses with it

b)

Made in smooth ER, shipped to Golgi, vesicle travels to membrane and fuses with it

c)

Piece of membrane pinches off so that substance enters the cell wrapped in vesicle

37.

Sometimes a lipid is made that will be released out of the cell. Which of these is the correct order of steps for this to happen?

a)

Made in rough ER, shipped to Golgi, vesicle travels to membrane and fuses with it

b)

Made in smooth ER, shipped to Golgi, vesicle travels to membrane and fuses with it

c)

Piece of membrane pinches off so that substance enters the cell wrapped in vesicle

38.

This stores water in plant cells.

a)

chloroplasts

b)

cell wall

c)

vacuoles

d)

central vacuole

39.
A plant vacuole is different from an animal vacuole because
a)
plant vacuoles are small and animal vacuoles are large
b)
Plant vacuoles are large and and animal vacuoles are small
c)
plant vacuoles are specialized, such as contractile vacuoles
d)
Animal vacuoles store large amounts of water. Plant vacuoles store food.
40.

What microscope uses electron illumination and can show images in three dimensions?

a)

electron scanning

b)

compound

c)

ultramicroscope

d)

transmission

41.

Which type of cell is this?

a)

Prokaryote

b)

Eukaryote

42.

Prokaryotic cells are...

a)

complex

b)

less organized

c)

more organized

43.

Prokaryotic cells are

a)

more organized

b)

complex

c)

simple

44.

Examples of Eukaryotic cells ...

a)

plants

b)

bacteria

c)

animals

d)

fungi

45.

Examples of Prokaryotic cells

a)

plants

b)

fungi

c)

bacteria

d)

animals

46.

True or false: Eukaryotic cells do not have nucleus.

a)

true

b)

false

47.

True or false: Eukaryotic cells have a mitochondria.

a)

true

b)

false

48.

True or False: Eukaryotic cells have smaller, less complex ribosomes.

a)

true

b)

false

49.

Eukaryotic cells are _________ than Prokaryotic cells.

a)

smaller

b)

wider

c)

larger

d)

shorter

50.

Eukaryotic cells can be single-celled or __________

a)

uni-cellular

b)

multicellular

c)

acellular

51.

True or False: Eukaryotic cells come in similar shapes and sizes.

a)

true

b)

false

52.

Prokaryotic cells are ______________ than eukaryotic cells.

a)

larger

b)

wider

c)

taller

d)

smaller

53.

True or False: Prokaryotic cells can be single celled and multicellular.

a)

True

b)

False

54.

The __________ is the basic unit of life.

a)

cell

b)

DNA

c)

Nucleus

d)

Nucleoid

55.

What functions do cells have? Select all that apply.

a)

providing stability

b)

providing energy

c)

providing structure

56.

Which type of cell is this?

a)

Prokaryotic

b)

Eukaryotic

57.

What type of cell is this?

a)

Prokaryotic

b)

Eukaryotic

58.
Which of the following is a characteristic of both Eukaryotic and Prokaryotic cells?
a)
ribosomes
b)
nucleus
c)
membrane bound organelles
d)
simple
59.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
60.
All cells have DNA.
a)
True
b)
False
61.

Which of the following distinguishes prokaryotic and eukaryotic cells?

a)

The presence of a nucleus

b)

The presence of ribosomes

c)

The presence of a cell wall

d)

The presence of genetic material

62.

Which of the following contains DNA surrounded by a nuclear envelope?

a)

Eukaryotic

b)

Prokaryotic

63.

Which of the following contains membrane-bound organelles?

a)

Eukaryotic

b)

Prokaryotic

64.

Which of the following contains a circular piece of DNA floating in the cytoplasm?

a)

Eukaryotic

b)

Prokaryotic

65.

Which of the following contains ribosomes, a cell wall, and a cell membrane?

a)

Eukaryotic

b)

Prokaryotic

c)

Both

66.

Which of the following contains nucleic acid?

a)

Eukaryotic

b)

Prokaryotic

c)

Both

67.

All of the following are Eukaryotic EXCEPT . . . .

a)

animal cells

b)

plant cells

c)

fungi

d)

bacteria

68.

Which type of cell DOES NOT have a nucleus?

a)

Prokaryotic

b)

Eukaryotic

69.
Which of the following is major cause of the size limits for certain types of cells?
a)
evolutionary progression in cell size; more primitive cells have smaller sizes.
b)
the need for sufficient surface area to support the cell's metabolic needs.
c)
limitation on the strength and integrity of the plasma membrane as cell size increases
d)
the difference in plasma membranes between prokaryotes and eukaryotes
70.
Which of the following cells would have the highest surface area to volume ratio?
a)
1
b)
2
c)
3
d)
they are all the same
71.

An intestinal virus infects and destroys cells lining the intestine. Normal intestinal cells have infoldings of the plasma membrane call microvilli where the cells absorb nutrients through the membrane. As cells regrow, the microvilli are short and incomplete. Affected cells are on the left. Which of the following would best describe the effect of the shorter microvilli

a)

it decreases the space for more Golgi bodies , which reduces production of proteins

b)

it decreases the number of mitochondria, which affects energy production

c)

shorter microvilli decrease the surface area of the membranes, which means less absorption of nurtients

d)

shorter microvilli reduces the amount of lipids, affecting the fluidity of the membrane

72.

Healthy intestinal cells absorb nutrients through their membrane. Above are measurements of 4 different cells. Which of the following would provide the most efficient absorption of nutrients?

a)

cell 1

b)

cell 2

c)

cell 3

d)

cell 4

73.
As a cell becomes larger, its
a)
surface area increases faster than its volume.
b)
volume increases faster than its surface area
74.
How can surface area (SA) be increased? 
a)
Grow larger
b)
Divide into smaller pieces
75.
Microvilli are tiny projections that extend off the cell to increase the Surface Area.  What purpose might that serve? 
a)
Increased absorption
b)
Better communication among cells
c)
Maintain homeostasis 
d)
Decreased oxygen use
76.

Which solid with a volume of 12 sq. units would have the greatest surface area to volume ratio?

a)

1cm x 1cm x 12cm

b)

1cm x 2cm x 6cm

c)

1cm x 4cm x 3cm

d)

2cm x 2cm x 3cm

77.
All organisms are made of:
a)
organelles
b)
cytoplasm
c)
DNA
d)
cells
78.
All existing cells are produced by other
a)
living cells
b)
dead cells
c)
atom cells
d)
animal cells
79.
This is the most basic unit of life
a)
atom
b)
cell
c)
nucleus
d)
DNA
80.
Cells come only from what?
a)
existing cells
b)
nucleus
c)
fission
d)
budding
81.
The Cell Theory states...
a)
atoms create all matter
b)
living things evolve
c)
the cell is the backbone of all matter
d)
cells are the basic unit of structure and organization of organisms
82.
Linear DNA
a)
Prokaryote
b)
Eukaryote
83.
Circular DNA
a)
Prokaryote
b)
Eukaryote
84.

Sticky layer that helps cells 'adhere / stick' to surfaces.

a)

Capsule

b)

Cell Wall

c)

Cell Membrane

d)

Nuclear Membrane

e)

Cytoplasm

85.

Cell Layer that controls the movement of materials into and out of ALL cells.

a)

Cell Membrane

b)

Capsule

c)

Cell Wall

d)

Cytoplasm

e)

Nuclear Membrane

86.

Cell Layer that provides support to the cell's structure. Found in all cells, except animal cells.

a)

Cell Membrane

b)

Capsule

c)

Cell Wall

d)

Cytoplasm

e)

Microtubules

87.

This cell part synthesizes simple proteins by combining amino acids.

a)

Chloroplast

b)

Mitochondria

c)

Ribosome

d)

Golgi Apparatus

e)

Smooth ER

88.

I contain all the cell parts and organelles. I am 'jelly like'.

a)

Cytoplasm

b)

Nuclear Membrane

c)

Cell membrane

d)

Plasmid

e)

None of these has this function.

89.

Which of the following is part of the mitochondria

a)

outer membrane

b)

DNA

c)

matrix

d)

all of the above

90.

Mitochondria have their own ____ and DNA floating in the matrix

a)

ions

b)

ATP

c)

water

d)

ribosomes

91.

Increase the surface area available for ATP synthesis

a)

cristae

b)

matrix

c)

inner membrane

d)

outer membrane

92.

Letter F is which structure of the mitochondria?

a)

inner membrane

b)

outer membrane

c)

cristae

d)

matrix

93.

Letter E is which structure of the mitochondria?

a)

inner membrane

b)

outer membrane

c)

cristae

d)

matrix

94.

Letter B is which structure of the mitochondria?

a)

inner membrane

b)

intermembrane space

c)

cristae

d)

matrix

95.

Letter G is which structure of the mitochondria?

a)

mtDNA

b)

intermembrane space

c)

mitochondrial ribosome

d)

matrix

96.

In what organelle of plant cells does photosynthesis occur?

a)

mitochondria

b)

centrioles

c)

chloroplast

d)

ribosomes

97.
What role do pigments play in photosynthesis?
a)
Make plants green, which is calming
b)
Capture sunlight
c)
Absorb water in roots
d)
Take in CO2
98.
a)
Grana
b)
Thylakoid
c)
Stroma
d)
Jelly Filling
99.
a)
Flapjack Stack
b)
Grana
c)
Thylakoid
d)
Stroma
100.
a)
Inner Membrane
b)
Outer Membrane
c)
Thylakoid Membrane
d)
Frog Skins
101.
a)
Stroma
b)
Thylakoid
c)
Skittle
d)
Grana
102.
a)
Outer Membrane
b)
Inner Membrane
c)
Thylakoid Membrane
d)
Peanut Butter Layer
103.

The Endosymbiotic Theory explains

a)

the origin of prokaryotes

b)

how bacteria lives

c)

the origin of eukaryotes

d)

how species develop

104.

_____ and _____ are organelles that arose from endosymbiosis

a)

nucleus and cell membrane

b)

mitochondria and chloroplasts

c)

cell wall and chloroplasts

d)

mitochondria and nucleus

105.

Which of the following is evidence to support the endosymbiotic theory?

a)

Mitochondria and chloroplasts have their own DNA, which is similar to prokaryotic DNA.

b)

Fossil evidence shows that the first forms of life were prokaryotic cells.

c)

All eukaryotic cells have a double-layered membrane composed of phosplipids and proteins.

d)

Prokaryotes have the same number and types of enzymes as eukaryotes.

106.

What are evidence to support endosymbiotic theory?

a)

Mitochondria is found outside the cells

b)

Mitochondria and chloroplast can divide independently

c)

Mitochondria and chloroplast have their own cell membrane

d)

Mitochondria and chloroplast have their own genetic material

107.

Which of the following provide evidence for the hypothesis that prokaryotes evolved before eukaryotes.

a)

prokaryotes are more complex

b)

eukaryotes are multicellular which makes them simpler

c)

prokaryotes have no nucleus and fewer genes

d)

prokaryotes grow into eukaryotes

108.

Mitochondria and chloroplast do not divide on their own.

a)

false

b)

true

109.

Mitochondria , chloroplast , and bacteria are similar in size.

a)

true

b)

false

110.

Mitochondria and chloroplasts have their own DNA.

a)

true

b)

false

111.

Both eukaryotic and prokaryotic cells have:

ribosomes

cell membranes

a)

false

b)

true

112.

It is theorized that the prokaryotic cell came before the eukaryotic cell.

a)

true

b)

false

113.

Which statement below correctly explains and gives the importance of the endosymbiotic theory?

a)

The endosymbiotic theory states that the inner and outer membrane of the endoplasmic reticulum indicates these were once free living organisms which were taken into an early cell via endocytosis. The theory was further supported by the presence of prokaryotic ribosomes and replication of the endoplasmic reticulum via binary fission.

b)

The endosymbiotic theory states that the inner and outer membrane of the mitochondria indicates these were once free living organisms which were taken into an early cell via endocytosis. The theory was further supported by the presence of prokaryotic ribosomes and replication of mitochondria via binary fission.

c)

The endosymbiotic theory states that through endocytosis, early prokaryotic cells were able to bring in additional nutrients. These additional nutrients provided important energy that drove evolution of these prokaryotic cells into the eukaryotic cells seen today in more advanced organisms.

d)

The endosymbiotic theory states that through endocytosis, early prokaryotic cells were able to bring in early energy rich eukaryotic cells. The energy provided drove evolution of these prokaryotic cells into the eukaryotic cells seen today in more advanced organisms.

114.
Supports cells structure & drives cell movement.  Composed of microfilaments, microtubules, & centrioles.
a)
endoplasmic reticulum
b)
golgi apparatus
c)
cytoskeleton
d)
vacuole
115.

What is the role of the microfilamets in the cell

a)

Help an amoeba make pseudopods or false feet.

b)

Help the cell move around its environment.

c)

Help muscles to contract.

d)

All of these are correct.

116.

Microtubules are made up of which of the following proteins?

a)

Thrombin

b)

Tubulin

c)

Actin

d)

Microtubules are not made up of a specific protein.

117.

If a patient has trouble contracting his muscles then he probably has abnormalities in_______________________________?

a)

Smooth Endoplasmic reticulum

b)

Microtubules

c)

Intermediate filaments

d)

Microfilaments

118.

The spindle fibers that move the chromosomes during mitosis are made of (a)  

119.

The movement of cytokinesis at the end of Mitosis, squeezing the two new cells apart, is possible because of this structure of the cytoskeleton: (a)  

120.

The motor proteins move along the (a)   towards to cell membrane.

121.

Cilia and Flagella are made up of (a)   .

122.

Check the statements that are correct for intermediate filaments

a)

Measure 10nm

b)

Serve as anchorage to the organelles

c)

Give structure to the cell

d)

Are made of alfa and beta tubulin

e)

Make up the spindle fibers

123.

Mark the statements that are correct for the microfilaments

a)

Measure 25nm

b)

Provide the cell with cytoplasmic streaming

c)

Made up alpha and beta tubulin

d)

Made up of actin polymers

124.

Which of the following make up mitotic spindle?

a)

Intermediate filaments

b)

Microtubules

c)

Nuclear Lamins

d)

Actin filaments

125.

Microtubules are

a)

rope like

b)

mesh like

c)

hollow tubes

d)

interlocking chains and ropes

126.

Which properties a cytoskeleton must have to perform function?

a)

Elasticity

b)

Rigidity

c)

Maleability

d)

Instability

127.

Which of the following is the function of Microtubules

a)

Chromosome segregation

b)

Flagella

c)

Contractile ring

d)

Micro villi

128.

Which filaments are built from molecules of protein actin?

a)

Microtubules

b)

Microfilaments

c)

Intermediate filaments

d)

Cilia and flagella

129.

Supportive tissues such as bone, get their strength from

a)

cells

b)

extracellular matrix

c)

cytoskeleton filaments

130.

Which protein on a fibroblast membrane attaches to the extracellular matrix outside the cell (through adapter molecules) to actin on the inside?

a)

Proteoglycan

b)

Cadherin

c)

Fibronectin

d)

Integrin

131.

Which of the following is NOT true of gap junctions?

a)

They allow inorganic ions and small water-soluble molecules to move directly between cells.

b)

They allow ATP-driven pumps to move substances from one cell to another

c)

They allow an electrical and a metabolic coupling between the cells. They may be opened or closed as needed.

132.

In the extracellular matrix of animal tissues, which of the following molecules allows the matrix to resist compression?

a)

. Integrin

b)

Collagen

c)

Fibronectin

d)

Proteoglycans

133.

What are plant cell walls made of?

a)

glycogen microfibrils, embedded in other polysaccharides and proteins

b)

cellulose microfibrils, embedded in other polysaccharides and proteins

c)

cellulose microfibrils, embedded in lipids and proteins

d)

glycogen microfibrils, embedded in lipids and proteins

134.

Which of the following best describes the primary cell wall?

a)

relatively thin and flexible

b)

glue like layer

c)

rigid and thick

d)

relatively thin and rigid

135.

Which best describes the location of the primary & secondary cell walls and the middle lamella?

a)

plasma membrane, middle lamella, secondary cell wall, primary cell wall

b)

plasma membrane, middle lamella, primary cell wall, secondary cell wall

c)

plasma membrane, primary cell membrane, middle lamella, secondary cell wall

d)

plasma membrane, secondary cell wall, middle lamella, primary cell wall

136.

The extracellular matrix is made up of...

a)

only glycoproteins

b)

glycoproteins and fibronectin

c)

glycoproteins, proteoglycans, and fibronectin

d)

glycoproteins and proteoglycans

137.

Extracellular matrix proteins bind to cell-surface receptor proteins in the plasma membrane called...

a)

integrins

b)

proteoglycans

c)

collagen

d)

glycogen

138.

Which part of the cell membrane/extracellular matrix transmits signals between the cell's external environment and its interior?

a)

collagen fibers

b)

integrins

c)

glycoproteins

d)

proteoglycans

139.

Plasmodesmata in plant cells are analogous to what structure in animal cells?

a)

Tight junctions

b)

Gap junctions

c)

Adhesion junctions

d)

Vacuoles

140.

Urine is confined to the human bladder in part due to the structure of junctions that connect the cells lining the bladder. These junctions form a barrier that prevents the exchange of ions and solutes between the blood and urine. What is the likely identity of these junctions?

a)

Gap junctions

b)

Tight junctions

c)

Adhering junctions

d)

Plasmodesmata

141.

What type of cell junction would most likely be found in the intestinal tract?

a)

Gap

b)

Tight

c)

Adhering

d)

Plasmodesmata

142.

Which type of cellular junction is prominent in cardiac myocytes and allows for a unified contraction of the heart? Hint: in order for these cells to contract in unison, ions need to flow rapidly between them.

a)

Tight

b)

Adhering

c)

Gap

d)

Plasmodesmata

143.

Which of these correctly matches the cellular junction with its function?

a)

Gap junctions prevent the flow of ions and water from one part of the body to another

b)

Adhering junctions are branched network of proteins that are impermeable to fluids

c)

Gap junctions are connections that directly connect the cytoplasm of two cells

d)

Tight junctions are random, spot attachments between cells that prevent tearing of tissue

144.

Which cellular junction is not found in animal cell?

a)

Tight junction

b)

Desmosomes

c)

Gap Junction

d)

Plasmodesmata

145.

Claudins and occludins form an impermeable seal all the way around the apical portion of an epithelial cell. This describes

a)

Tight junction

b)

Gap Junction

c)

Belt Desmosomes

d)

All of the above

146.

Junctions are necessary for comunications between cells in many types of tissues including animal embryos and heart muscles.

a)

Tight junctions

b)

Desmosomes

c)

Gap junctions

d)

All of the above

147.

From interior to exterior the cell, how would a cell connect to the extracellular matrix?

a)

cytoskeletal fiber, fibronectin, integrin, collagen

b)

fibronectin, cytoskeletal fiber, collagen, integrin

c)

cytoskeletal fiber, integrin, fibronectin, collagen

d)

fibronectin, integrin, cytoskeletal fiber, collagen

148.
The function of the plasma membrane is....
a)
to regulate what enters and leaves the cell.
b)
fight bacteria and viruses that enter the cell.
c)
provide rigid support and protection to the cell.
d)
make sure each cell can move
149.
What is NOT TRUE about the cell membrane
a)
It controls what enters and leaves the cell
b)
Semipermeable
c)
Phospholipid bilayer
d)
Contains digestive enzymes
150.
What do the brown structures represent?
a)
Phospholipids
b)
Glycoproteins
c)
Channel Proteins 
d)
Cyctoskeleton Filaments
151.
What is another term for "selectively permeable"?
a)
porous
b)
completely permeable
c)
permanent
d)
semipermeable
152.
Maintaining a constant internal state in a changing environment.
a)
Homeostasis
b)
Active Transport
c)
Mitosis
d)
Photosynthesis
153.
A type of active transport that releases particles that were enclosed from a cell when the membrane of the vesicle fuses with that of the cell membrane
a)
Exocytosis
b)
Osmosis
c)
Mitosis
d)
Endoyctosis
154.
A type of active transport that brings particles into a cell when the cell membrane encloses a particle to make a vesicle
a)
Diffusion
b)
Passive Transport
c)
Active Transport
d)
Endocytosis
155.

The energy molecule that powers some modes of transport

a)

ADP

b)

ATP

c)

AGP

d)

ABP

156.
Most of the cell membrane is made of...
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic acids
157.
What forms the channels and pumps in the phospholipid bilayer?
a)
carbohydrates
b)
proteins
c)
hydrophilic heads 
d)
lipids
158.
Hydrophilic means...
a)
water-loving
b)
water-fearing
c)
nonpolar
d)
lipid soluble
159.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A 
160.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E 
161.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 
a)
phospholipid 
b)
Carbohydrate
c)
Cholesterol 
d)
Protein 
162.
___________ allow cells to recognize each other and act like ID tags. 
a)
Carbohydrates 
b)
Proteins
c)
Phospholipids 
d)
Cholesterol
163.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
164.
___________ have 2 functions in the cell membrane.
1.) They act like gatekeepers, only let certain things in. 
2.) Enzyme receptors embedded in the membrane.
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
165.
___________ form the two layers of the cell membrane. 
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
166.
Something is ___________ ____________
when some molecules can cross the membrane while others cannot. 
a)
Selectively (or Semi) Permeable 
b)
Totally Transparent
c)
Liquid Licorice 
d)
Heavily Patrolled 
167.
Which of the following is NOT part of the cell membrane?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
168.

The _______________ of the phospholipids in a cell membrane face inward towards each other.

a)

heads

b)

tails

c)

stems

d)

sticks

169.

Which two molecules are embedded in the cell membrane?

a)

chlorophyll

b)

cholesterol

c)

glycolipids

d)

glycogen

170.

Which is NOT a function of membrane proteins?

a)

hormone binding sites

b)

channels and pumps for transport

c)

cell adhesion

d)

protein synthesis

171.

True or False: Membrane proteins vary in number in different cell membranes.

a)

True

b)

False

172.

Which is NOT a function of the phospholipid bilayer?

a)

creates a barrier

b)

semi-permeability of the membrane

c)

transport of molecules

d)

separates internal from external environment of the cell

173.

What do you call the property of phospholipids having both hydrophilic and hydrophobic parts?

a)

amphiphilic

b)

amphiphatic

c)

semipermeability

d)

selective

174.
Phospholipid heads are...
a)
Hydrophobic
b)
Hydrophilic
175.
The cell membrane is made up of 
a)
Polar heads, non-polar tails
b)
Non-polar heads, polar tails
c)
Polar heads, polar tails
d)
Non-polar heads, non-polar tails
176.
Part of the plasma membrane responsible for cell recognition... 
a)
C
b)
E
c)
B
d)
D
177.
True or False: Phospholipids can move laterally along the plane of the membrane. 
a)
True
b)
False
178.
Why are unsaturated fatty acids able to best keep the membrane more "fluid"?
a)
Unsaturated fatty acids are more polar than saturated fatty acids. 
b)
The kinks in the tails of the unsaturated fatty acids prevent a dense network of lipids. 
c)
Unsaturated fatty acids are solid at room temperature. 
d)
The kinks in the tails of the unsaturated fatty acids make the region more dense. 
179.

The yellow and brown portion of this image is:

a)

protein

b)

phopholipid

c)

carbohydrate

d)

cholesterol

180.

The purple regions of the image represent:

a)

phospholipid

b)

cholesterol

c)

proteins

d)

carbohydrates

181.

_______ means "water loving" part of cell membrane, found on the ____ of the phospholipid bilayer.

a)

Hydrophobic

Inside

b)

Hydrophilic 

Outside

c)

Hydroelectric 

Inside

d)

Hydrochloric

Outside

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