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Cell Transport

Total questions: 79

Worksheet time: 3600secs

Name
Class
Date
1.
A balance that an organism maintains by regulating what goes into and out of the cell.
a)
Hypertonic
b)
Homeostasis
c)
Plasmolysis
d)
Hypotonic
2.
The type of cellular transport that requires no energy.
a)
Active Transport
b)
Protein Pumps
c)
Passive Transport
d)
Endocytosis
3.
Which of the following modes of cellular transport does NOT require energy?
a)
Facilitated Diffusion
b)
Protein Pumps
c)
Endocytosis
d)
Exocytosis
4.
The process of engulfing food or liquid particles into the cell.
a)
Osmosis
b)
Exocytosis
c)
Endocytosis
d)
Diffusion
5.
The release of large particles, often waste materials from the inside of the cell to the outside of the cell.
a)
Osmosis
b)
Exocytosis
c)
Endocytosis
d)
Diffusion
6.
Which type of cellular transport moves molecules from low concentrations to high concentrations?
a)
Osmosis
b)
Diffusion
c)
Passive Transport
d)
Protein Pumps
7.
Condition that occurs if too much water leaves the cell and cell collapses.
a)
Plasmolysis
b)
Osmosis
c)
Cytolysis
d)
Exocytosis
8.
What type of transport involves the movement of water from high to low concentrations?
a)
Diffusion
b)
Active Transport
c)
Facilitated Diffusion
d)
Osmosis
9.
What type of transport uses transport (channel) proteins to help molecules move from higher to lower concentrations?
a)
Protein Pumps
b)
Diffusion
c)
Facilitated Diffusion
d)
Osmosis
10.
What type of solution has more solutes and less water than a cell that it contains?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
None of the Above
11.
What happens to a plant cell that is placed into a hypotonic solution?
a)
It shrinks
b)
Plasmolysis
c)
It swells
d)
Cytolysis
12.
What might happen to a freshwater plant that is placed into saltwater?
a)
Cells will swell
b)
Plasmolysis
c)
Cytolysis
d)
There will be no change
13.
A cell with a 5% salt solution is placed into a beaker with a 10% salt solution.  This solution is considered to be _____ to the cell.
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
None of the Above
14.
A cell with a 5% salt solution is placed into a beaker with a 10% salt solution.  What will happen to the cell?
a)
It will shrink
b)
It will swell
c)
No change
d)
Cytolysis
15.
A cell with a 20% salt solution is placed into a beaker of pure water.  What will happen to the cell?
a)
It will shrink
b)
Plasmolysis
c)
No change
d)
Cytolysis
16.
A cell with a 10% salt solution is placed into a beaker with a 40% salt solution.  How will water move?
a)
It will leave the cell
b)
It will enter the cell
c)
It will move in and out equally
d)
There will be no movement
17.
A plant cell with a 20% salt solution is placed into a beaker with a 10% salt solution.  What will happen to the plant cell?
a)
Cytolysis
b)
Plasmolysis
c)
It will shrink
d)
It will swell
18.
The diagram below represents a cell and some molecules in its environment. Which molecule would require the use of energy in order to be brought into the cell?
a)
1
b)
2
c)
3
d)
4
19.
Which activity can occur without the use of energy?
a)
contraction of muscle tissue
b)
protein synthesis in a cell
c)
active transport of minerals
d)
movement of water across a membrane
20.
During diffusion molecules tend to move 
a)
   up the concentration gradient
b)
 from an area of lower concentration to an area of higher concentration
c)
 in a direction that doesn’t depend on concentration
d)
 down the concentration gradient
21.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
22.
a)
Passive Transport
b)
Active Transport
23.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
24.
a)
Passive Transport
b)
Active Transport
25.
a)
Passive Transport
b)
Active Transport
26.
Movement of materials from high to low concentration through a protein channel. 
a)
Passive Transport
b)
Active Transport
27.
a)
Passive Transport
b)
Active Transport
28.
a)
Passive Transport
b)
Active Transport
29.
a)
Passive Transport
b)
Active Transport
30.
a)
Passive Transport
b)
Active Transport
31.
ATP is a form of energy.
a)
Passive Transport
b)
Active Transport
32.
Exocytosis
a)
Passive Transport
b)
Active Transport
33.
Endocytosis
a)
Passive Transport
b)
Active Transport
34.
Low to High
a)
Passive Transport
b)
Active Transport
35.
This takes substances into a cell
a)
endocytosis
b)
exocytosis
c)
both
36.
The picture below is an example of _________________.
a)
osmosis
b)
facilitated diffusion
c)
simple diffusion
d)
active transport
37.
The difference in the concentration of a substance from one location to another is called 
a)
diffusion
b)
osmosis
c)
concentration gradient
d)
passive transport
38.
Lets some things pass through but not others
a)

Selectively permeable

b)
Selectively impermeable
c)
Partially permeable
d)
Particularly permeable
39.
What do the brown structures represent?
a)
Phospholipids
b)
Glycoproteins
c)
Channel Proteins 
d)
Cyctoskeleton Filaments
40.
The sodium potassium pump usually pumps
a)
potassium out of the cell 
b)
sodium out of the cell 
c)
sodium into the cell 
d)
both potassium and sodium into the cell 
41.
The sodium-potassium pump usually pumps
a)
only potassium ions and sugar molecules
b)
potassium ions out of the cell
c)
sodium ions into the cell
d)
 potassium ions into the cell
42.
Where is there a low concentration of dye?
a)
at the bottom of cup
b)
in the color
c)
at the top of cup 
d)
no concentration gradient
43.
the concentration of molecules is equal inside and outside of the cell
a)
passive transport
b)
isotonic
c)
hypertonic
d)
hyypotonic
44.

Aquaporins are involved in which type of transport?

a)

active transport

b)

facilitated diffusion

c)

phagocytosis

d)

simple diffusion

45.
When cells take in a liquid through active transport, what is it called?
a)
Exocytosis
b)
Phagocytosis
c)
Pinocytosis
d)
Osmosis
46.

Identify cholesterol molecule

a)

structure a

b)

structure b

c)

structure h

d)

structure i

47.

Identify microfilament of the cytoskeleton

a)

structure i

b)

structure b

c)

structure g

d)

structure c

48.

identify a glycolipid

a)

structure a

b)

structure d

c)

structure e

d)

structure g

49.

Identify a peripheral protein

a)

structure a

b)

strucure b

c)

structure g

d)

structure h

50.

Small, nonpolar, hydrophobic molecules such as fatty acids

a)

easily pass through the membrane's bilayer

b)

very slowly diffuse through the bilayer

c)

require transport proteins

d)

enter through endocytosis

51.

Membrane phospholipids

a)

have hydrophobic heads that face the center of the membrane and are shielded from water

b)

have hydrophilic tails that face outward

c)

remain fluid because they are tightly packed

d)

none of these

52.

Which of the following substances would have the most trouble crossing the membrane by diffusing through the bilayer?

a)

water

b)

oxygen

c)

carbon dioxide

d)

a sodium ion

53.

The cholesterol associated with membranes

a)

is attached to proteins and extends into the environment surrounding the cell

b)

helps stabilize the membrane at body temperature

c)

is an abnormality resulting from a diet high in cholesterol

d)

both a and c

54.

A major function of glycoproteins and glycolipids in the membane is to

a)

glue cells together to form tissues

b)

allow cells to identify each other

c)

attach membrane to cytoskeleton

d)

help retain shape

55.

When doctors perform organ transplants, they choose a donor tissue match. Which component is being matched?

a)

membrane phospholipids

b)

cytoskeleton

c)

cell surface carbohydrates

d)

cholesterol

56.

The fluid mosaic model describes a membrane consisting of

a)

a phospholipid bilayer with embedded proteins

b)

2 layers of phospholipids with proteins in between

c)

individual proteins and phospholipids that can drift

d)

both a and c

57.

Which of these is NOT embedded in the hydrophobic portion of the lipid bilayer at all?

a)

peripheral proteins

b)

transmembrane proteins

c)

integral proteins

d)

all of these are embedded

58.

Which structure is the hydrophilic polar head of the phospholipid molecule?

a)

F

b)

D

c)

C

d)

A1

59.

Which structure is the hydrophobic tail of the phospholipid molecule?

a)

E

b)

B

c)

G

d)

A2

60.
Lipid tails are...
a)
Nonpolar
b)
Polar
61.
Lipid heads are...
a)
Polar
b)
Nonpolar
62.

What is the difference between phagocytosis & pinocytosis?

a)

Phagocytosis = cell eating, Pinocytosis = cell drinking

b)

Phagocytosis = cell drinking, Phagocytosis = cell eating

63.
What is an organic compound that is made by glands in the body (pituitary, thyroid, etc) that is used in long distance communication between cells?
a)
Hormones
b)
Neurotransmitters
c)
Synapse
d)
Carbohydrates
64.
Which of the following can activate a protein by transferring a phosphate group to it?
a)
cAMP
b)
G Protein
c)
protein kinase
d)
protein phosphatase
65.
A signal molecule that binds to a plasma-membrane protein is a
a)
ligand
b)
second messenger
c)
protein kinase
d)
receptor protein
66.
What do second messengers do?
a)
transport a signal through the lipid bilayer
b)
relay a signal from the outside to the inside of the cell
c)
relay message from the inside of the mebrane throughout the cytoplasm
d)
dampen the message
67.
Signal amplification is most often achieved by
a)
an enzyme cascade
b)
binding of multiple signals
c)
branching pathways
d)
action of adenylyl cyclase
68.
Hormones are used in ____ signaling.
a)
endocrine
b)
juxtacrine
c)
autocrine
d)
paracrine
69.
The 3 steps of signal transduction in order are
a)
reception, transduction, response
b)
response, transduction, reception
c)
reception, response, transduction
d)
transduction, reception, response
70.
Protein kinases activate other relay proteins by adding a(n) ____ to them.
a)
phosphate
b)
ATP molecule
c)
cAMP
d)
GTP
71.
What determines whether a cell is a target cell for a particular signal molecule?
a)
phosphorylation cascade
b)
cAMP
c)
signal receptors
d)
phosphatase
72.
Each of the following numbered processes are involved in signal transduction pathways:  
 I.  Response  
II.  Amplification  
 III.  Reception  
IV.  Transduction
 Which of the following represents the sequence of events in a typical signal transduction pathway?
a)
I, II, III, IV
b)
III, I, IV, II
c)
II, IV, I, III
d)
III, IV, II, I
73.

What is being depicted in the image?

a)

Amplification of the signal molecule

b)

Enzymatic proteins inhibiting process of the signal transduction pathway

c)

Kinase groups adding dimer groups to other enzymes

d)

Diffusion of molecules within the cell due to the signaling molecule

74.

Which type of membrane protein would help intake a message from outside of the cell to inside of the cell?

a)

Receptor Protein

b)

Enzymatic Protein

c)

Channel Protein

d)

Junction Protein

e)

ATP Synthase

75.

Which letter represents the cell membrane?

a)

A

b)

B

c)

C

d)

D

e)

E

76.

Which letter represents the cell surface receptor protein?

a)

A

b)

B

c)

C

d)

D

e)

E

77.

Which letter represents the secondary proteins?

a)

A

b)

B

c)

C

d)

D

e)

E

78.

Which letter represents the ligand?

a)

A

b)

B

c)

C

d)

D

e)

E

79.

Which letter(s) can be proteins? (multiple answers are correct)

a)

A

b)

B

c)

C

d)

D

e)

E

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