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Cells, Cell Membrane, and Enzyme Test Review

Total questions: 66

Worksheet time: 1hrs 17mins

Name
Class
Date
1.
What is the diffusion of water?
a)
osmosis
b)
active transport
c)
diffusion
d)
facilitated diffusion
2.
Which type of movement requires energy?
a)
osmosis
b)
active transport
c)
diffusion
d)
facilitated diffusion
3.
What are the three types of passive transport?
a)
osmosis, diffusion, active transport
b)
active transport, facilitated diffusion, osmosis
c)
diffusion, osmosis, facilitated diffusion
d)
facilitated diffusion, active transport, diffusion
4.
Which type of movement has channels that help large molecules move through the cell membrane?
a)
active transport
b)
diffusion
c)
osmosis
d)
facilitated diffusion
5.
Which type of movement has proteins that act like pumps to move molecules through the cell membrane?
a)
active transport
b)
diffusion
c)
osmosis, 
d)
facilitated diffusion
6.
Which type of movement goes from low to high concentration?
a)
active transport
b)
diffusion
c)
osmosis, 
d)
facilitated diffusion
7.

What type of solution is a cell in when it gets bigger than normal while in tap water?

a)

hypertonic

b)

isotonic

c)

hypotonic

8.

What type of solution is a cell in when it shrinks while in salt water?

a)

hypertonic

b)

isotonic

c)

hypotonic

9.
What type of solution is a cell in when it stays the same size?
a)
hypertonic
b)
isotonic
c)
hypotonic
10.

This regulates the movement of molecules from one side of the membrane to the other.

a)

cell membrane

b)

equilibrium

c)

passive transport

d)

diffusion

11.
What is the movement of molecules from an area of high to low concentration and does not require energy?
a)
osmosis
b)
diffusion
c)
facilitated diffusion
d)
active transport
12.
This has the same strength and same concentration outside as inside.
a)
hypotonic
b)
isotonic
c)
hypertonic
13.

This has above strength and higher concentration outside than inside the cell. Water moves out.

a)

hypotonic

b)

isotonic

c)

hypertonic

14.

This has below strength and lower concentration outside than inside the cell. Water moves in.

a)

hypotonic

b)

isotonic

c)

hypertonic

15.
What are the two other names that you can use for the cell membrane?
a)
plasma membrane, fluid mosaic model
b)
plasma membrane, outer layer
c)
plasma membrane, cell membrane
d)
plasma membrane, cytoplasm
16.
Which of the following binds to an active site of an enzyme?
a)
Substrate
b)
Product
c)
Codon
d)
None of these
17.
What factors affect an enzyme's reaction rate?
a)
temperature 
b)
pH
c)
neither pH nor temperature
d)
both pH and temperature
18.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered or denatured
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
19.
How do enzymes affect chemical reactions?
a)
Increased activation energy
b)
Decreased activation energy
c)
Increased energy change
d)
Decreased energy change
20.
What is indicated by letter A?
a)
enzyme
b)
product
c)
substrate
d)
active site
21.
Lactose intolerance is most likely caused by -
a)
A lack of lactase enzyme to breakdown lactose
b)
Overproduction of glucose and galactose
c)
Excess lactase enzyme
d)
A lack of lactose sugar
22.
Enzymes are which type of macromolecule?
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
23.
Once a new product leaves an enzyme, the enzyme is unchanged and ready for the next substrate. This means the enzyme is _______.
a)
reusable
b)
catalyst
c)
specific
d)
fragile
24.
What is the name for the mechanism of enzyme activity?
a)
Lock and key
b)
jigsaw puzzle
c)
hammer and nail
d)
two hands pattern
25.
What makes an enzyme specific to one  substrate?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in
26.
What is the optimum temperature at which this enzyme works best?
a)
0 C
b)
20 C
c)
40 C
d)
62 C
27.
Which of the following is true?
a)
enzymes are used up during a reaction and must be replaced
b)
enzymes add energy to a reaction
c)
each enzyme can only bind to a specific molecule
d)
enzymes can only synthesize new molecules
28.
When an enzyme is too hot, what process occurs?
a)
denaturation
b)
digestion
c)
synthesis
d)
catalysis
29.
True or False: A bacterium enzyme found in the ground in Antarctica will have the same optimum temperature as a bacterium enzyme found inside a volcano.
a)
true
b)
false
30.
True or False: All enzymes have the exact same optimum pH.
a)
true
b)
false
31.
A molecule that blocks the active site and prevents the enzyme from functioning properly is called a/an
a)
Reactant
b)
Catalyst
c)
Active Site
d)
Inhibitor
32.

What is the yellow shape on the bottom called?

a)

Enzyme

b)

Substrate

c)

Active site

d)

Ligand

33.

Which will affect the rate of a reaction that requires enzymes?

a)

Temperature

b)

pH

c)

Amount of enzyme

d)

All of the above

34.

What is the optimal pH for pepsin?

a)

2

b)

7

c)

10

d)

5

35.

Which enzyme functions best in a basic environment?

a)

Pepsin

b)

Amylase

c)

Arginase

36.

Which enzyme functions best in an acidic environment?

a)

Pepsin

b)

Amylase

c)

Arginase

37.

In noncompetitive inhibition the inhibitor binds to the active site.

a)

True

b)

False

38.

Why does the line on the graph go down after 40 celsius?

a)

The enzyme is denatured.

b)

The enzyme runs out.

c)

There is no substrate.

d)

The enzyme is inhibited.

39.

Which conditions can denature and enzyme?

a)

Temperature

b)

pH

c)

Salinity

d)

All of these

40.

What organelle is pictured?

a)

ribosome

b)

rough er

c)

smooth er

d)

nuclear pore

41.

What is the function of the organelle in the picture?

a)

packages proteins and ships them to the golgi

b)

makes lipids

c)

ships proteins out of the cell

d)

makes mRNA from DNA

42.

Which organelle sorts and packages proteins to be sent to the cell membrane?

a)

b)

c)

43.
Which describes structure 3? 
a)
It serves as the site for protein synthesis. 
b)
It contains genetic information. 
c)
It transforms the sun's energy. 
d)
It stores water and nutrients. 
44.
Which best explains the relationship between chloroplasts and mitochondria?
a)
Chlorplasts absorb light energy from the sun, which is converted to glucose by the mitochondria. 
b)
Chloroplasts produce carbon dioxide and water, which are used by the mitochondria to produce energy. 
c)
Chloroplasts store energy in the chemical bonds of glucose, which is used by the mitochondria to produce ATP.
d)
Chloroplasts release light energy stored in the glucose in the form of ATP, which is absorbed by mitochondria. 
45.
Which letter points to the cell wall? 
a)
E
b)
F
c)
G
d)
H
46.
Which organelle stores DNA and acts as a control center for the cell? 
a)
mitochondria
b)
ribosomes
c)
nucleus
d)
nucleolus
47.
The presence of which structure allows the student to conclude that the unit is a eukaryotic cell? 
a)
protein
b)
RNA
c)
mitochondrion
d)
ribosome
48.
All cells, prokaryotic and eukaryotic, have a few common features. Which cell feature is found in both the prokaryotic and eukaryotic cells?
a)
ribosome
b)
chloroplast membrane
c)
nucleus
d)
endoplasmic reticulum
49.
What is the major difference between prokaryotic and eukaryotic cells?
a)
Eukaryotic cells only have a flagellum. 
b)
Prokaryotic cells do not have a cell membrane. 
c)
Eukaryotic cells do not have membrane-bound structures. 
d)
Prokaryotic cells do not have membrane-bound structures. 
50.
Which is the best titles for A and B? 
a)
A is eukaryotic and B is prokaryotic. 
b)
A is prokaryotic and B is eukaryotic. 
c)
A is plant and B is animal. 
d)
A is animal and B is plant. 
51.
What make eukaryotic cells more complex than prokaryotic cells?
a)
the presence of ribosomes
b)
the presence of nucleic acids
c)
the presence of the plasma membrane 
d)
the presence of membrane-bound organelles
52.
Which best describes what type of cell(s) contain a plasma membrane? 
a)
eukaryotic cells
b)
prokaryotic cells
c)
both eukaryotic and prokaryotic cells
d)
all eukaryotic cells and select prokaryotic cells
53.
Which number represents the vacuole? 
a)
3
b)
4
c)
8
d)
1
54.
Which number represents the ribosomes?
a)
6
b)
5
c)
2
d)
7
55.
Which number represents the nucleus? 
a)
1
b)
7
c)
5
d)
2
56.
Which number represents the chloroplasts? 
a)
7
b)
2
c)
8
d)
5
57.
Which number represents the cytoplasm?
a)
3
b)
2
c)
4
d)
6
58.
Which number represents the cell membrane? 
a)
6
b)
5
c)
3
d)
8
59.
Which number represents the cell wall?
a)
6
b)
5
c)
8
d)
2
60.

What does it mean to say that a cell membrane is semipermeable?

a)

it allows some materials to pass through

b)

it allows nothing to enter the cell, only to leave

c)

It only allows things into the cell and not out

d)

it allows all materials to pass through

61.

What is the function of an organelle?

a)

to take up space

b)

to carry out a specific function in the cell

c)

to carry out all the functions of a cell

d)

to create new cells

62.

Which of the following organelles do plants have that animals to not? (Select all that apply)

a)

Cell wall

b)

Golgi Apparatus

c)

Endoplasmic Reticulum

d)

Chloroplasts

e)

Ribosomes

63.

What type of cell is this?

a)

Plant

b)

Animal

c)

Prokaryote

64.

What type of cell is this?

a)

Plant

b)

Animal

c)

Prokaryote

65.

What type of cell is this?

a)

Plant

b)

Animal

c)

Prokaryote

66.

Which of the following is not one of the 5 things all cells have?

a)

cell membrane

b)

cytoplasm

c)

DNA

d)

nucleus

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