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Unit 3 Review

Total questions: 90

Worksheet time: 3hrs 10mins

Name
Class
Date
1.
Which invention from the 17th century allowed for the development of modern cell theory?
a)
x-rays
b)
computers
c)
the light microscope
d)
the scanning electron microscope
2.

The combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow resulted in the formation of the cell theory. Which of the following is not part of the cell theory?

a)
All cells contain a nucleus. 
b)
All cells come from other living cells.
c)
All living organisms are made of one or more cells
d)
 Cells are the basic unit of structure and function of all living things.
3.
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.
4.
Cell theory states:
a)
All living cells must have a cell wall.
b)
 All living cells require glucose for survival.
c)
The basic unit of life is a cell.
d)
All cells contain a nucleus
5.
What type of cell has a nucleus? 
a)
eukaryotic
b)
prokaryotic 
6.
What type of cell does not have a nucleus?
a)
eukaryotic 
b)
prokaryotic 
7.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
8.

What structures do all cells have in common?

a)

cytoplasm

b)

Ribosomes

c)

DNA

d)

cell membrane

e)

nucleus

9.

What do plant cells have that animal cells do not?

a)

Chloroplasts

b)

Cell wall

c)

Large vacuoles

d)

Nucleus

e)

ribosomes

10.
All plants are made of cells.  This was discovered by....
a)
Matthias Schleiden
b)
Rudolf Virchow
c)
Robert Hooke
d)
Aristotle
11.
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
12.
The jellylike substance that contains proteins, nucleic acids, minerals, ions, and organelles is what?
a)
Prokaryote
b)
Nucleus
c)
Cytoplasm
d)
Eukaryote
13.
Which of the following controls movement of materials in and out of a cell? 
a)
Cell wall
b)
Cell membrane
c)
Cytoplasm
d)
Nucleus
14.
Who discovered and named cells? 
a)
Captain Hook
b)
Robert Hooke
c)
Zacharias Janssen
d)
Rudolf Virchow
15.
Which scientist did NOT contribute to the cell theory?
a)
Anton Van Leeuwenhoek
b)

Robert Hooke
c)
Albert Einstein 
d)

Matthias Schleiden
16.
Unlike eukaryotes, prokaryotes do not have:
a)
DNA
b)
cytoplasm
c)
cell walls
d)
a membrane bound nucleus
17.

What is the function of the cell membrane?

a)

To control what comes in and out of the cell

b)

To break down food inside the cell

c)

to serve as a barrier

d)

to eat the cells food

18.

Which organelle produces the energy a cell needs to carry out its function

a)

Mitochondria

b)

Golgi Bodies

c)

Cytoplasm

d)

Nucleus

19.

Which organelle is found inside the nucleus and produces ribosomes

a)

Nucleolus

b)

Cell Membrane

c)

Lysosome

d)

Golgi Bodies

20.

What is the function of the Vacuoles

a)

Store food, water and waste

b)

Receive proteins

c)

Assembles amino acids

d)

Found inside the nucleus

21.

Which organelle receives proteins and materials from the ER, packages them and distributes them

a)

Vacuoles

b)

Golgi Bodies

c)

Nucleus

d)

Chromatin

22.

Which cell contains Chloroplasts?

a)

Animal

b)

Plant

23.

what is the function of ribosomes

a)

to assemble amino acids to create proteins

b)

to pack proteins

c)

to clean proteins

24.

The control center of cell is

a)

the nucleus

b)

ribosomes

c)

chromatin

25.

This provides structure and helps the cell keep its shape.

a)

cytoskeleton

b)

cell membrane

c)

nucleus

d)

endoplasmic reticulum

26.

Which organelle is the trash collector, but also recycles parts of the cell?

a)

mitochondria

b)

lysosome

c)

vacuole

d)

ribosome

27.

appendage that protrudes from eukaryotic cells for movement

a)

Organelle

b)

Flagella

c)

Cilia

d)

Chloroplast

28.

a slender threadlike structure, especially a microscopic appendage that enables many protozoa, bacteria, spermatozoa, etc. to swim.

a)

Cilia

b)

Organelle

c)

Eukaryote

d)

Flagella

29.
An organism made of one cell is called
a)
unicellular organism
b)
multicellular organism
30.

What organelle that is present in other plant cells, is absent from the root hair cells?

a)

Nucleus

b)

Vacuole

c)

Chloroplast

d)

Cell Wall

31.

Which example is hydrophobic in nature?

a)

Oil

b)

Sugar

c)

Salt

d)

Water

32.

What does "hydrophilic" mean?

a)

water loving, associates with water

b)

water fearing, does not associate with water

c)

a world war II submarine

d)

an example would be solutes like oil or fat

33.

What does "hydrophobic" mean?

a)

water loving, associates with water

b)

water fearing, does not associate with water

c)

a world war II submarine

d)

an example would be solutes like sugar or salt

34.

What is the "big idea" of the fluid mosaic model of plasma membranes?

a)

the plasma membrane creates a specialized FLUID that looks like a MOSAIC.

b)

the plasma membrane is a MOSAIC.

c)

the fluid mosaic model is NOT related to the plasma membrane.

d)

a plasma membrane is a MOSAIC of components that move FREELY and FLUIDLY.

35.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHILIC?

a)

the phosphate "head"

b)

the lipid "tails"

36.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?

a)

the phosphate "head"

b)

the lipid "tails"

37.

Which type of biological macromolecule is the main component of the plasma membrane?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

38.

Define plasma membrane

a)

lipid that helps minimize effects of temperature

b)

only on the outer surface of the plasma membrane and are attached to proteins or lipids; form distinctive cellular markers

c)

flexible boundary of a cell that separates a cell from its surroundings

d)

may extend partway into the plasma membrane, cross the membrane entirely, or be loosely attached to its inside or outside face

39.

Which is NOT a function of the membrane?

a)

it forms a selective barrier

b)

it has receptors for chemical messages

c)

it is the control center of the cell

d)

it is involved in self recognition

40.

The cell membrane is mostly made of what?

a)

Membrane-spanning Proteins

b)

Surface Proteins

c)

Phospholipids

d)

Carbohydrates

41.

What are the two parts of a phospholipid?

a)

head

b)

enzyme

c)

tail

d)

hormone

42.

What forms due to the two layers of phospholipids coming together?

a)

trilayer

b)

bilayer

c)

unilayer

43.

Identify a peripheral protein

a)

structure a

b)

strucure b

c)

structure g

d)

structure h

44.

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

45.

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

46.

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

a)

F

b)

D

c)

C

d)

A1

47.

Which structure is the hydrophobic tail of the phospholipid molecule?

a)

E

b)

B

c)

G

d)

A2

48.

The cell membrane is _______________ permeable.

a)

selectively

b)

somewhat

c)

physically

d)

ionically

49.
What is diffusion?
a)
when molecules move from a low concentration to a high concentration 
b)
when molecules move from a high concentration to a low concentration.
c)
no movement 
d)
molecules move everywhere
50.
What is the definition of  Selective Permeability?
a)
The movement of materials across the cell membrane that requires NO ENERGY from the cell.
b)
The movement of materials through (or across) the cell membrane
c)
The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
d)
The movement of molecules from an area of high concentration (where the molecules are more crowded together) to a area of low concentration (where molecules are more spread apart)
51.
Osmosis
a)
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
b)
the diffusion of particles from an area of high concentration to an area of low concentration
c)
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
d)
the diffusion of particles from an area of low concentration to an area of high concentration
52.
The picture below is an example of _________________.
a)
osmosis
b)
isotonic
c)
diffusion
d)
active transport
53.
In the given scenario what will happen to the organism: salt is poured onto eggplant.
a)
Water will move out of the eggplant cells and the cells will shrink.
b)
Water will move out of the eggplant cells and the cells will swell.
c)
Water will move into the eggplant cells and the cells will swell.
54.
An animal cell placed in a hypertonic (salty) solution will
a)
Shrink
b)
Swell
c)
Stay the same
55.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
56.
Just like Coke is a type of soda, __________ is a type of ___________.
a)
diffusion, osmosis
b)
concentration, equilibrium
c)
equilibrium, concentration
d)
osmosis, diffusion
57.

In which cell is the concentration of solute greater on the inside of the cell?

a)

The one on the left

b)

The one on the right

c)

The one in the middle

d)

The concentration of solute is the same for each solution

58.

Which red blood cell is in an isotonic solution?

a)

The one on the left

b)

The one on the right

c)

The one in the middle

d)

Each solution is isotonic

59.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
60.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
61.

Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested materials.

Exocytosis is an active transport process in which a cell transports neurotransmitters and proteins out of the cell by secreting them through an energy-dependent process.

The sodium-potassium pump moves sodium ions out of the cell and potassium ions into the cell. This helps maintain the cell's resting membrane potential, regulate cell volume, and stabilize osmotic equilibrium.

What type of transport is this?

a)
Endocytosis
b)
Exocytosis
c)
Diffusion
d)
Sodium-Potassium Pump
62.

Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested materials.

Exocytosis is an active transport process in which a cell transports neurotransmitters and proteins out of the cell by secreting them through an energy-dependent process.

The sodium-potassium pump moves sodium ions out of the cell and potassium ions into the cell. This requires energy. This helps maintain the cell's resting membrane potential, regulate cell volume, and stabilize osmotic equilibrium.

What type of transport is this?

a)
Endocytosis
b)
Facilitated Diffusion
c)
Active Transport Pump
d)
Osmosis
63.

Active transport is movement of particles through the cell membrane from a region of ...1... to a region of ...2... using energy in the form of ...3...

a)

1: lower concentration, 2: higher concentration, 3: NADPH

b)

1: higher concentration, 2: lower concentration, 3: NADPH

c)

1: higher concentration, 2: lower concentration, 3: ATP

d)

1: lower concentration, 2: higher concentration, 3: ATP

64.

Which one is the definition of active transport?

a)

movement of particles through the cell membrane from a region of lower concentration to a region of higher concentration using energy in the form of ATP.

b)

passage of water molecules from a region of their higher concentration to a region of their lower concentration through a partially permeable membrane

c)

net movement of molecule from a region of higher concentration to region of lower concentration. Molecule down a concentration gradient

d)

net movement of molecule from a region of lower concentration to region of higher concentration. Molecule down a concentration gradient

65.
The picture is an example of...
a)
active tranport
b)
passive transport
c)
diffusion
d)
osmosis
66.
Even though the concentration of salt is high in some gland cells and low in the blood, these cells can move salt out of blood and into the cells.  This is an example of
a)
passive transport
b)
active transport
c)
diffusion
d)
osmosis
67.
The roots of a plant contain a high concentration of minerals and the soil contains a lower concentration.  The roots absorb minerals from the soil.  This is an example of
a)
passive transport.
b)
active transport.
c)
diffusion
d)
osmosis
68.

Which is an accurate description of the diagram below?

a)

Na+ and Amino Acids are both transporting passively.

b)

Na+ and Amino Acids are both transporting actively.

c)

Na+ is diffusing passively, and Amino Acids are transporting actively.

d)

Na+ is transporting actively, and Amino Acids are diffusing passively.

69.
Solutes move against the concentration gradient
a)
Passive Transport
b)
Active Transport
70.
What is the difference between active and passive transport?
a)
Active does not need energy and passive uses ATP (energy)
b)
Active uses ATP (energy) and passive does not need energy
c)
Active stores transport proteins and passive releases 
d)
Active uses hormones and passive does not 
71.

An example of pump transport is

a)

glucose transport

b)

osmosis

c)

Na+/K+ Pump

d)

CO2 + O2 Transport

72.

Movement of particles from high to low concentration.

a)

Diffusion, a form of passive Transport

b)

Difussion, a form of Active Transport

73.

Osmosis is a form of ______________.

a)

Passive Transport because it does not require energy.

b)

Active Transport because it requires energy.

74.

The diffusion or movement of WATER across a semi-permeable membrane from an area of low concentration t to an area of high concentration is_______________________

a)

osmosis

b)

diffusion

c)

endocytosis

d)

exocytosis

75.
ALL living cells have this in common
a)
Nucleus
b)
Cell Membrane
c)
Cell Wall
d)
Mitochondria
76.
A cell will _____________________ in a hypertonic solution.
a)
swell
b)
shrink
c)
will not change
d)
will explode
77.
A cell will __________________ in a hypotonic solution.
a)
swell and perhaps burst (lyse)
b)
shrink
c)
the size of the cell will not change
d)
the size of the cell will change from large to small and from small to large
78.

In the given scenario what will happen? An egg with a dissolved shell is placed in pure water for 48 hours.

a)

Water will move in and out of the cell equally, and the cell with neither shrink nor swell.

b)

The egg will gain water and swell.

c)

The egg will lose water and shrink.

79.

A gummy bear placed in a hypertonic (salty) solution will

a)

Stay the same

b)

Shrink- get smaller

c)

Swell- get bigger

80.
Ideally, your cells should be in a(n) _______ solution
a)
isotonic
b)
hypertonic
c)
hypotonic
d)
isometric
81.

What is a hypotonic solution?

a)

a high concentrated solution

b)

a low concentrated solution

c)

a solution that has equal concentration to another solution

82.

A(n) _________________ refers to two solutions having the same osmotic pressure across a semipermeable membrane. This state allows for the free movement of water across the membrane without changing the concentration of solutes on either side.

a)

isotonic solution

b)

hypertonic solution

c)

hypotonic solution

83.

A red blood cell will _______________ when we put it in a isotonic solution

a)

Shrink

b)

Swell

c)

Stays the same

84.

which side is hypertonic?

a)

Left. Low concentration

b)

Right. High concentration

85.

a semi-permeable membrane is a membrane that

a)

lets everything to pass

b)

lets some things to pass

c)

does not let anything to pass

86.

If the percentage represents sugar, what direction will water flow?

a)

Into the cell

b)

Out of the cell

c)

Into and out equally (equilibrium)

87.
Just like Coke is a type of soda, __________ is a type of ___________.
a)
diffusion, osmosis
b)
concentration, equilibrium
c)
equilibrium, concentration
d)
osmosis, diffusion
88.
What type of transport is this?
a)
Endocytosis
b)
Diffusion
c)
Exocytosis
d)
Osmosis
89.

small compartment enclosed by a membrane formed during transport of material during endo + exocytosis

a)

vesicles

b)

large vacuole

c)

mitochondria

d)

lysosome

90.

The image shows a (a)   transport

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