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Membrane Structure and Function

Total questions: 90

Worksheet time: 59mins

Name
Class
Date
1.

A phospholipid has two parts. What are they called?

a)

Hydrophilic Head, Hydrophobic Tail

b)

Hydrophobic Head, Hydrophilic Tail

2.

Which of the following is a function of the cell membrane?

a)

breaks down lipids, carbohydrates, and proteins from foods

b)

stores water, salt, proteins, and carbohydrates

c)

synthesizes proteins and other macromolecules

d)

regulates the movement of materials into and out of the cell

3.

Which of the following molecules pass easily through the cell membrane, requiring little extra help or energy? Select all that apply.

a)

sodium

b)

glucose

c)

oxygen

d)

carbon dioxide

4.

Which of the following molecules don't pass easily through the cell membrane, requiring extra help or input of energy?

a)

sodium

b)

glucose

c)

oxygen

d)

carbon dioxide

5.

The ability to allow only certain molecules into or out of the cell.

a)

Semipermeability

b)

Permeability

c)

Impermeability

d)

Unpermeability

6.

Which of the following is the function of the cell membrane? Select all that apply.

a)

Provides instructions to the cell and other organelles.

b)

Regulates compounds in and out fo the cell.

c)

Allows cells to communicate and interact with other cells.

d)

Breaks down wastes and other compounds.

e)

Protects the cell from its environment.

7.

Which of the following are embedded in the phospholipid bilayer and help substances pass through?

a)

lipids

b)

proteins

c)

cholesterol

d)

carbohydrates

8.

Molecules diffuse

a)

toward areas of lower concentration

b)

only into cells from outside

c)

only out of cells from inside

d)

toward areas of higher concentration

9.

G is pointing to:

a)

lipid bilayer

b)

transport protein

c)

glycolipid

d)

carbohydrate chain

10.
holds materials like water and is very large in a plant cell
a)
nucleus
b)
golgi body
c)
chloroplast
d)
vacuole
11.
ONLY found in plant cells
a)
nucleus
b)
cell wall
c)
cell membrane
d)
lysosome
12.

A rigid structure that surrounds the cell membrane for support and protection of the cell.

a)

Chloroplasts

b)

Cell Wall

c)

Cell Membrane

d)

Cytoplasm

13.

A gel like fluid that takes up most of the space inside the cell. The organelles are found scattered throughout it.

a)

Chloroplasts

b)

Cell Wall

c)

Cell Membrane

d)

Cytoplasm

14.

A cell organelle that is responsible for waste removal in the cell.

a)

Golgi Body

b)

Endoplasmic reticulum

c)

Large central vacuole

d)

Lysosomes

15.

Saclike structures that store materials such as water, salts, proteins, and carbohydrates.

a)

Nucleus

b)

Ribosomes

c)

Organelles

d)

Vacuoles

16.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
17.
a)
Passive Transport
b)
Active Transport
18.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
19.
a)
Passive Transport
b)
Active Transport
20.
Solutes move with the concentration gradient, therefore no energy is used. 
a)
Passive Transport
b)
Active Transport
21.
Movement of materials from high to low concentration through a protein channel. 
a)
Passive Transport
b)
Active Transport
22.
a)
Passive Transport
b)
Active Transport
23.
a)
Passive Transport
b)
Active Transport
24.
Exocytosis
a)
Passive Transport
b)
Active Transport
25.
Endocytosis
a)
Passive Transport
b)
Active Transport
26.
Solutes move against the concentration gradient, therefore energy is needed. 
a)
Passive Transport
b)
Active Transport
27.
This takes substances into a cell
a)
endocytosis
b)
exocytosis
c)
both
28.
What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?
a)
Diffusion
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
29.

The process which water travels from high concentration to low concentration through a membrane:

a)

active transport

b)

facilitated diffusion

c)

exocytosis

d)

osmosis

30.

Which picture best represents active transport?

a)
b)
c)
d)
31.

The picture shown is how red blood cells can shrink or swell due to its environment. The process responsible for this change is:

a)

osmosis

b)

diffusion

c)

active transport

d)

mitosis

32.
What is the chemical formula for water?
a)
H20
b)
h2o
c)
H2O2
d)
H2O
33.
What is adhesion?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
34.
What is cohesion?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
35.
What is surface tension?
a)
Water's ability to stick to itself
b)
Water's ability to stick to other substances
c)
The strength of the cohesion of all the water molecules combined
d)
Tape, glue and other adhesives
36.

A insect like a water strider can skate along the top of a pond because:

a)

covalent bonds result in water cohesion

b)

hydrogen bonds result in water cohesion (surface tension)

c)

low surface tension of water

37.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
38.
Attractions between the negative Oxygen atom of one water molecule and the positive Hydrogen atom of another water molecule are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
39.

Water travels up from the roots of a tree to the top because of

a)

adhesion and cohesion

b)

surface tension

c)

specific heat capacity

d)

density of water compared to ice

40.
Water droplets take a spherical shape (as pictured) because of ____________
a)
adhesion
b)
cohesion
c)
capillary action
d)
solubility
41.

As you add drops of water to the surface of a coin, each drop sticks to the other water droplet because of ________________, and sticks to the penny because of ______________.

a)

adhesion, cohesion

b)

cohesion, adhesion

c)

capillary action, specific heat

d)

specific heat, capillary action

42.
A molecule with electrically charged areas is called a _______________.
a)
magnet
b)
polar molecule
c)
solution
d)
electrical molecule
43.
Which end of the water molecule has a slightly positive charge?
a)
the oxygen end
b)
the hydrogen end
c)
both ends are slightly positive
d)
neither end is positive
44.

Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?

a)

adhesion

b)

surface tension due to cohesion

c)

solvent properties

d)

nonpolar

45.

Which of the following is a function of proteins (check all that apply)?

a)

make up bones and muscles

b)

regulate reactions

c)

help support immune system

d)

quick energy

46.

The two main components of the cytoskeleton are:

a)

microtubules

b)

protein channels

c)

cilia

d)

microfilaments

47.

Which end of water is negative?

a)

hydrogen

b)

oxygen

48.

In the Osmosis/Diffusion lab, which molecule did not MOVE?

a)

starch

b)

glucose

c)

water

d)

IKI

49.

How did we know that water moved in the Osmosis/Diffusion lab?

a)

the bag turned purple

b)

the test strip turned green

c)

the bag increased in size

50.

What structure helps to move materials into the cell through endocytosis?

a)

vacuole

b)

vesicle

c)

cytoplasm

51.

A phospholipid has two parts. What are they called?

a)

Hydrophilic Head, Hydrophobic Tail

b)

Hydrophobic Head, Hydrophilic Tail

52.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
53.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
pipette
54.

Robert Hooke named the small compartments that made up the cork __________after the rooms monks lived in.

a)

organelles

b)

membranes

c)

mocroscopes

d)

cells

55.

Cell theory states that...

a)

cells are the basic building block of life

b)

cells are cool

c)

cells are microscopic

d)

cells cannot be destroyed

56.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
a)
Plants have cells but animals do not.
b)
They are both made of one or more cells. 
c)
They both come from the same kind of cell.
d)
They both come from a non-living organism.
57.

What type of organisms does the cell theory apply to

a)

bacteria

b)

multicellular organisms

c)

plants and animals

d)

all of the above

58.
A microscope has an ocular magnification of 10 and a high power objective magnification of 50. What is the highest total magnification of the microscope?
a)
500x
b)
400x
c)
50x
d)
40x
59.

Contains the lens you look through.

a)

Low-power Objective

b)

High-power Objective

c)

Eyepiece

d)

Diaphragm

60.

Reflects light up through the diaphragm, stage, viewing object, and lenses

a)

Revolving nosepiece

b)

Mirror

c)

Eyepiece

d)

Body Tube

61.

Provides the greatest magnification, 40X

a)

Fine Adjustment Knob

b)

High-Power Objective

c)

Low-Power Objective

d)

Coarse Adjustment Knob

62.

Moves slightly and is used to sharpen the image of the object you are viewing.

a)

Coarse Adjustment Knob

b)

Stage

c)

Fine Adjustment Knob

d)

Revolving Nosepiece

63.

Which of the following microscopes uses a high energy beam of electrons that is shone through a very thin sample of a specimen?

a)

Light microscope

b)

Simple microscope

c)

Scanning Electron Microscope

d)

Transmission Electron Microscope

64.
When looking at a specimen on your slide, you should always start with the
a)
low objective lens
b)
medium objective lens
c)
high objective lens
d)
super extra high power lens
65.
What power do you start with when using a microscope?
a)
High power
b)
Medium power
c)
Low power
d)
Extra high power
66.
This structure is a storage area for the cell.
a)
Lysosome
b)
Vacuole
c)
Ribosome
d)
Golgi Body
67.
I am found in plant cells. I am rigid, strong & stiff. I give support to the plant cell.  I give the cell it's box shape
a)
cell membrane
b)
cell wall
c)
chlorophyll
d)
mitochondria
68.

Both prokaryotic and eukaryotic cells have all of the following EXCEPT:

a)

Cytoplasm

b)

Ribosomes

c)

DNA

d)

Cell Wall

69.

If the lysosome were a part of the city it would be the:

a)

Mayor - controls the cell

b)

Waste management - digests cell waste and cleans up

c)

Farms- synthesizes proteins

d)

Water tower - stores water

70.

Prokaryotic cells have all of the following parts EXCEPT:

a)

Cell membrane

b)

Ribosomes

c)

Cytoplasm

d)

Nuclear membrane

71.

Organelles in cells are called membrane-bound because

a)

They are attached to the cell membrane

b)

They are surrounded by their own membrane

72.
What does cytoplasm do?
a)
protects & supports organelles, and helps transport material
b)
controls cell activities
c)
releases energy from food
d)
contains chlorophyll
73.
What is the function of vacuoles?
a)
store food, waste, and water
b)
make proteins
c)
create food from sun's energy and CO2
d)
control cell activities
74.
Which structure is not in a bacteria cell?
a)
nucleus
b)
cytoplasm
c)
cell membrane
d)
DNA
75.
Which type of cell is not eukaryotic?
a)
plant
b)
animal
c)
bacteria 
d)
they all are
76.

Diffusion & Facilitated Diffusion are both __________ transport.

a)

Passive

b)

Active

c)

Easy

d)

Free

77.

Passive Transport is the movement of particles across the membrane from an area of [ ___ ] to an area of [ ___ ]

a)

high to low

b)

low to high

c)

low to low

d)

high to high

78.

_____________ is the free movement of particles across the membrane with the concentration gradient

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

fusion

79.

An example of diffusion is

a)

CO2 and O2 exchange in the lungs

b)

Glucose transport

c)

Na+ / K+ Pumps

d)

Exocytosis

80.

What is the movement of particles with the concentration gradient using protein "helpers"?

a)

diffusion

b)

facilitated diffusion

c)

active transport

d)

enzymatic reactions

81.

An example of facilitated diffusion is

a)

CO2 and O2 exchange in the lungs

b)

Glucose transport

c)

Na+ / K+ Pumps

d)

Endocytosis

82.
Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell?
a)
passive transport by diffusion
b)
active transport using ATP 
c)
passive transport by osmosis
d)
 osmosis
83.
The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called
a)
perforated
b)
semi-permeable
c)
non-conducive
d)
permeable
84.
 In pure water, a red blood cell from an animal will swell and burst, but a leaf cell from a plant will not. Which structure in the leaf cell is responsible for this difference?
a)
cell membrane
b)
cell wall
c)
 mitochondrion
d)
nucleus
85.
Cell membrane surrounds a particle and encloses it (for large particles)
a)
Endocytosis
b)
Exocytosis
c)
Permeable
d)
In high concentration
86.
Particles are removed from a cell (pushed out).
a)
Endocytosis
b)
Exocytosis
c)
Permeable
d)
In high concentration
87.
Which of the following is an example of osmosis?
a)
Oxygen exiting leaves after photosynthesis
b)
A raisin swelling in a cup of water
c)
Water changing from a liquid to a gas
d)
Oxygen moving into an animal cell
88.
In this image, the cell is using which type of molecular transport?
a)
Osmosis
b)
Diffusion 
c)
Endocytosis
d)
Exocytosis 
89.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
90.
This picture represents which type of cellular transport?
a)
passive transport
b)
endocytosis
c)
exocytosis
d)
osmosis

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