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Unit 4, 5, 6 MEGATEST Review #2

Total questions: 200

Worksheet time: 3hrs 49mins

Name
Class
Date
1.
Capillary action is the result of adhesion. Which aspect of water is responsible for this?
a)
Nonpolar covalent bonds that enable water to dissolve other substances
b)
Polar covalent bonds that join molecules of water to other substances
c)
Hydrogen bonds between water and another substance
d)
Ionic bonds that enable electrons to flow through water and into another substance
2.
Which of the following properties of water enables it to move from the roots to the leaves of plants?
a)
Water expands as it freezes.
b)
Water is an excellent solvent.
c)
Water exhibits cohesive behavior.
d)
Water moderates temperature.
3.
What property of water allows it to be such a versatile solvent that it is often called the "universal solvent?"
a)
Purity
b)
Polarity and cohesion
c)
High heat capacity
d)
Expansion upon freezing
4.
Large bodies of water do not quickly fluctuate in temperature. Why?
a)
Water is a solvent.
b)
Water has a high heat capacity.
c)
Water acts as a buffer.
d)
Water is non-polar.
5.
Water striders can walk across the surface of calm water. Their feet push the surface of the water down slightly, but they do not break the surface. Why?
a)
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water’s surface and they only skim it with their feet.
c)
The insect’s feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water’s surface.
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
6.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
7.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
8.
Why can water have no net charge but have slight charges in different parts of the molecule?
a)
The oxygen end is slightly negative and the hydrogen end is slightly positive
b)
The hydrogen end is slightly negative and the oxygen end is slightly positive
c)
The hydrogen and oxygen ends change in polarity
d)
Because it is hydrophobic
9.
Attractions between water molecules are called
a)
Covalent bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
10.
The attraction that causes water and other liquids to form drops on thin films is called ________________. This is also water’s ability to be attraction to other water molecules.
a)
adhesion
b)
capillary action
c)
cohesion
d)
surface tension
11.
Why does water move from the roots to the leaves of plants?
a)
Water is pushed by solutes
b)
Capillary action pulls the water molecules like a chain
c)
Water is pulled by gravity
d)
Water’s cohesion causes it to “pull” towards the leaves
12.
Which is NOT a unique property of water?
a)
Frozen water floats on liquid water.
b)
Water covers most of the Earth’s surface and retains a large amount of heat.
c)
Water molecules stick to each other through hydrogen bonds.
d)
Water cools very rapidly.
13.
What property of water helps to moderate earth's temperature?
a)
adhesion
b)
chohesion
c)
Specific heat capacity
d)
Latent heat of vaporization
14.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
15.
Water is polar because...
a)
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.
b)
The molecule has two poles, at which the it is colder than other regions of the molecule.
c)
The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.
d)
The water molecule is neutral.
16.
The process of removing water in order to form a bond between monomers is called....
a)
Dehydration Synthesis
b)
Hydrolysis
17.
The process of adding water in order to break bonds within a polymer....
a)
Dehydration Synthesis
b)
Hydrolysis
18.
The process of digesting a polysaccharide into individual monosaccharides is called....
a)
Dehydration Synthesis
b)
Hydrolysis
19.
The process of breaking the bonds within a starch molecule in order to release glucose molecules is called......
a)
Dehydration Synthesis
b)
Hydrolysis
20.
The process of  bonding together nucleotides into a long chain is called....
a)
Dehydration Synthesis
b)
Hydrolysis
21.
The process of making a polymer by bonding together monomers is called
a)
Dehydration Synthesis
b)
Hydrolysis
22.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
23.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
24.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
25.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
26.
The following figure is illustrating
a)
Dehydration Synthesis
b)
Hydrolysis
27.
Is the following chemical reaction illustrating dehydration synthesis or hydrolysis?
Starch + Water -------> Glucose
a)
Dehydration Synthesis
b)
Hydrolysis
28.
What is a protein: 
a)
A polymer composed of many sugars.
b)
A polymer composed of many amino acids. 
c)
A polymer composed of fatty acids. 
d)
A polymer composed of nucleotides. 
29.
What is an example of a protein?
a)
Strawberries
b)
Bread
c)
Pasta
d)
Steak
30.
What is a peptide bond?
a)
Bond that holds two amino acids together.
b)
A bond that holds hydrogen and oxygen molecules together.
c)
A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
d)
A bond that is formed by the sharing of electrons.
31.
How many different amino acids are there?
a)
15
b)
20
c)
25
d)
30
32.
Enyzmes are a very important type of protein used to
a)
Build bones in skeleton
b)
Send hormonal signals throughout body
c)
Speed up chemical reactions
d)
Photosynthesize glucose in plants
33.

Which of the following is NOT a function of proteins

a)

Assist in transferring oxygen through bloodstream

b)

Fight infections and diseases

c)

Assist in the processing of glucose

d)

None of the above

34.
This is one job proteins do NOT have in the body
a)
storing genetic information
b)
structure
c)
speed up chemical reactions
d)
transport things through cell membrane
35.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
36.

Which monomer is this?

a)

glucose

b)

glycerol

c)

amino acid

d)

nucleotide

37.

Which macromolecule is shown?

a)

polysaccharide

b)

nucleic acid

c)

triglyceride

d)

polypeptide

38.
What elements make up carbohydrates?
a)
Carbon, hydrogen, nitrogen, oxygen
b)
sulfur, carbon, hydrogen
c)
glucose and fructose
d)
carbon, hydrogen, oxygen
39.

What are the monomers of carbohydrates called?

a)

amino acids

b)

nucleotides

c)

monosaccharides

d)

glycerols and fatty acids

40.
The 3 categories of carbohydrates are:
a)
Monosaccharide, disaccharide, polysaccharide
b)
glucose, fructose, galatose
c)
starch, cellulose, chitin
d)
There are no categories of carbohydrates
41.

What two groups are removed from monosaccharides to form disaccharides or polysaccharides

a)

water and oxygen

b)

H and OH group

c)

carbon and hydrogen

d)

water and carbon

42.
These are all properties of a monosaccharide EXCEPT:
a)
simple sugar
b)
1:2:1 ratio
c)
double sugar
d)
used for energy
43.
How do the number of H atoms compare to the number of O atoms in a carbohydrate?
a)
There are TWICE as many H
b)
They are the same amount
c)
There are THREE times as many H
d)
There are TWICE as many O
44.
All carbohydrate names end with which ending:
a)
ise
b)
ase
c)
ese
d)
ose
45.
C6H12O6 is the molecular formula for what carbohydrate?
a)
Sucrose
b)
Glucose
c)
Fructose
d)
Both glucose and fructose
46.
What molecule is this
a)
sucrose
b)
protein
c)
glucose
d)
cellulose
47.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
48.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
49.

Which type of carbohydrate is NOT used for energy storage?

a)

glycogen

b)

sucrose

c)

starch

d)

all of the above are used for energy storage

50.

Which of the following carbs is NOT used for structure?

a)

cellulose

b)

chitin

c)

glucose

d)

all of the above are used for structure

51.

Which is an example of a disaccharide?

a)

lactose

b)

glucose

c)

fructose

d)

galactose

52.
Carbon chains are principal features of both carbohydrates and lipids.  What is the primary difference between these two types of macromolecules?
a)
Lipids always have longer carbon chains than carbohydrates.
b)
Carbohydrates cannot form rings like lipids can.
c)
Lipids provide energy, but carbohydrates cannot.
d)
Carbohydrates form ring structures, lipids form long chains
53.

Which is NOT a function of lipids?

a)

insulation and protection

b)

store energy

c)

cell membrane structure

d)

store information

54.

Which biomolecule is often stored in the body's tissues as energy?

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acids

55.
Which of the following molecules make up the basic structure of a cell membrane?
a)
waxes
b)
steroids
c)
fatty acids
d)
phospholipids
56.

What are different examples of lipids?

a)

monosaccahrides, disaccharides, starch, cellulose

b)

dipetide, polypeptide, amino acids

c)

DNA, RNA, ATP

d)

triglycerides, waxes, steroids, phospholipids

57.

This molecules is a

a)

triglyceride

b)

glycerol

c)

phospholipid

d)

steroid

58.
This molecule is a
a)
carbohydrate
b)
nucleic acid
c)
protein
d)
lipid
59.
Saturated fats are __________ at room temperature.
a)
liquid
b)
gases
c)
plasma
d)
solid
60.

Which macromolecule is this?

a)

steroid

b)

triglyceride

c)

phospholipid

d)

amino acid

61.
Which of the following is a lipid?
a)
cholesterol
b)
cellulose
c)
glucose
d)
protein
62.
The characteristic that all lipids have in common is----
a)
made of lots of double bonds
b)
acidic when mixed with water
c)
no high energy content
d)
do not dissolve in water
63.

Unsaturated fats are unique because they contain ________ bonds of Carbon.

a)

single

b)

double

c)

triple

d)

James

64.

What are the subunits of lipids called?

a)

amino acids

b)

nucleotides

c)

monosaccharides

d)

glycerol and fatty acids

65.

How many water molecules need to be removed to create a triglyceride?

a)

0

b)

1

c)

2

d)

3

66.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
67.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
68.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
69.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
70.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
71.
When using pH paper, the pH of a solution can be determined by looking at the _______ of the paper.
a)
texture
b)
color
c)
length
d)
mass
72.
 Which of the following is an acid?
a)
shampoo
b)
baking soda
c)
orange juice
d)
water
73.
What would be considered the weakest base? 
a)
8
b)
14
c)
7.8
d)
11.6
74.
Ammonia has a pH of 12.  Ammonia is __________.
a)
an acid
b)
a base
c)
an element
d)
a metal
75.
What does the pH scale measure?
a)
the concentration of acids and bases
b)
the malleability of a metal
c)
the temperature of the water in a swimming pool
d)
the amount of phosphorus in a compound
76.
The pH of vinegar is 2.5.  Vinegar is a _____________.
a)
strong acid
b)
strong base
c)
weak base
d)
weak acid
77.
Which of the following is true about acids and bases?
a)
The lower the pH, the stronger the acid
b)
the higher the pH, the stronger the acid
c)
The lower the pH, the more neutral the acid
d)
The higher the pH, the weaker the base
78.
Which type of ion does a base produce when it is dissolved in water?
a)
oxide
b)
oxygen
c)
hydrogen
d)
hydroxide
79.
Ranging from 0 to 14, a pH value indicates how acidic or basic a solution is.  Which of these pH values would be a strong acid?
a)
2
b)
6
c)
9
d)
13
80.
What is the pH of water?
a)
0
b)
4
c)
7
d)
14
81.
Enzymes are considered to be 
a)
Lipids
b)
Carbohydrate
c)
Protein
d)
Nucleic Acid
82.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
83.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
84.
Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?
a)
reducing the number of products   
b)
reducing the activation energy
c)
increasing the temperature of the cell
d)
increasing the concentration of reactants 
85.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
86.
What is structure D?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
87.
What is structure C?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
88.
What is structure E, F, G?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
89.
How do enzymes speed up chemical reaction?
a)
Increasing activation energy
b)
Decreasing activation energy
c)
Increasing deactivation energy
d)
Decreasing deactivation energy
90.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
91.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
92.

Changes in pH and temperature can damage an enzymes active site. What is this called?

a)

reusable

b)

catalyst

c)

specific

d)

denature

93.
Once a new product leaves an enzyme, the enzyme is unchanged and ready for the next substrate.  What is this called?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
94.
What 3 letters do enzymes typically end in?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
95.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
96.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
97.
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
98.
The "lock and key hypothesis" attempts to explain the mechanism of?
a)
Vacuole formation
b)
Pinocytosis
c)
Sharing of electrons
d)
Enzyme specificity 
99.
Which chemical is classified as an enzyme?
a)
Galactose
b)
Lipid
c)
Protease
d)
Manganese dioxide
100.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
101.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
102.
The chewing and grinding of food into smaller pieces is an example of...
a)
Mechanical Digestion
b)
Chemical Digestion
103.
What is one secondary (helper) organ of the digestive system?
a)
Small Intestine
b)
Esophagus
c)
Gallbladder
d)
Stomach
104.
Bile is made by which digestive organ?
a)
Gallbladder
b)
Stomach
c)
Rectum
d)
Liver
105.

Which digestive organ makes bile salts that help break down fats in the small intestine?

a)

Liver

b)

Gallbladder

c)

Pancreas

d)

Esophagus

106.
Nutrients from digested food are absorbed in which digestive organ?
a)
Small Intestine
b)
Stomach
c)
Large Intestine
d)
Gallbladder
107.
Which of the following is NOT part of the digestive tract?  (Hint:  Identify the secondary organ.)
a)
Mouth
b)
Esophagus
c)
Small Intestine
d)
Liver
108.
Number 4 is pointing to the....
a)
Anus
b)
Rectum
c)
Large Intestine
d)
Small intestine
109.
Number 5 is pointing to the...
a)
Liver
b)
Gallbladder
c)
Pancreas
d)
Stomach
110.
Number 3 is pointing to the...
a)
Small intestine
b)
Rectum
c)
Large intestine
d)
Stomach
111.
Number 2 is pointing to the...
a)
Esophagus
b)
Stomach
c)
Small intestine
d)
Anus
112.
Which organ pushes food down to the stomach?
a)
Mouth
b)
Esophagus
c)
Rectum
d)
Large intestine
113.

What are the muscle contractions that help move food through the digestive system?

a)

Cramps

b)

Peristalsis

c)

Contractions

d)

Flextion

114.
As waste moves through the digestive system, the ______ absorbs water before storing waste in the rectum.
a)
Small intestine
b)
Stomach
c)
Esophagus
d)
Large intestine
115.
A short tube at the end of the large intestine that stores solid waste is the...
a)
Anus
b)
Rectum
116.
Bile is stored in which secondary digestive organ?
a)
Stomach
b)
Liver
c)
Gallbladder
d)
Pancreas
117.

What is the substance found in the stomach that allows for chemical digestion to take place and also kills bacteria?

a)

HCl

b)

Saliva

c)

Bile

d)

Lipase

118.
Which is NOT a function of the Digestive System?
a)
To rid the body of solid waste
b)
Absorb nutrients for energy & growth
c)
Break down nutrients from food
d)
Pump blood around the body
119.
The opening at the end of the digestive system where solid waste comes out is the...
a)
rectum
b)
anus
c)
mouth
d)
large intestine
120.
Which secondary organ makes digestive juices like insulin to help absorb food in the small intestine?
a)
Large intestine
b)
Pancreas
c)
Liver
d)
Gallbladder
121.

Muscles in the stomach contract and relax to help break up food. This is...

a)

Mechanical digestion

b)

Chemical digestion

122.
Enzymes (chemicals) in your saliva help break down food while chewing.  This is...
a)
Mechanical digestion
b)
Chemical digestion
123.
Most chemical digestion takes place in which organ?
a)
Stomach
b)
Small intestine
c)
Rectum
d)
Esophagus
124.
Number 7 is pointing to...
a)
Mouth
b)
Esophagus
c)
Small intestine
d)
rectum
125.
Number 8 is pointing to the...
a)
small intestine
b)
stomach
c)
anus
d)
rectum
126.
Which of the following is the smallest unit of life that can carry out all life functions?
a)
the mitochondria
b)
the vacuoles
c)
the nucleus
d)
the cell
127.
Which structures are found in every living cell?
a)
cell membrane and cytoplasm
b)
chloroplasts and mitochondria
c)
a cell wall and nucleus
d)
chloroplasts and cell wall
128.

Which is very large when found in a plant cell?

a)

vacuole

b)

mitochondria

c)

nucleus

d)

Golgi

129.
What is the function of the cell nucleus found in both plant and animal cells?
a)
to produce energy
b)
to control cell activity
c)
to remove waste products
d)
to allow molecules to enter the cell
130.
Cell organelles that are responsible for digesting food, worn out organelles and other cellular wastes are called ___________________.
a)
Mitochondria
b)
Vacuoles
c)
Lysosomes
d)
Chlororplasts
131.
What is one basic function of the vacuoles?
a)
circulating oxygen
b)
producing food
c)
controlling cell processes
d)
storing water
132.
Chloroplasts in plant cells allow the plant to perform a function that animal cells cannot do.  What is the main function of the chloroplasts found in plant cells?
a)
to absorb light energy and manufacture food
b)
to remove waste materials by active transport
c)
to manufacture chemical energy from food
d)
to control the shape of the cell
133.
All cells need energy to function.  Which cell organelle is responsible for producing energy in the cell?
a)
chloroplasts
b)
mitochondria
c)
nucleus
d)
vacuoles
134.
What is the function of a cell wall?
a)
to protect and support the cell
b)
to perform different functions in each cell
c)
to prevent water from passing through it
d)
to prevent oxygen from entering the cell
135.
In what part of the plant cell does the process of photosynthesis take place?
a)
nucleus
b)
mitochondria
c)
chloroplasts
d)
vacuoles
136.
 Starch and water molecules in potato cells are stored in what organelle?
a)
mitochondria
b)
nucleus
c)
cell wall
d)
vacuole
137.
Cells with a nucleus and membrane-bound organelles are called ____________________.
a)
prokaryotes
b)
eukaryotes
c)
bacteria
d)
protists
138.

The jelly-like fluid inside the cell is known as

a)

vacuole

b)

chloroplast

c)

cytoplasm

d)

cytoskeleton

139.
Which of the following is not part of the cell theory?
a)
cells must contain DNA 
b)
all living things are made from cells
c)
cells can only come from other cells
d)
cells are the basic unit of life
140.

Which organelle constructs proteins?

a)

Golgi

b)

cytoplasm

c)

mitochondria

d)

ribosome

141.
Who was the first  person to see cells under the microscope and give them their name?
a)
Mattias Schleiden
b)
Robert Hooke
c)
Theordor Schwann
d)
Anton van Leeuwenhoek
142.

Which organelle forms a boundary and controls what enters and leaves the cell?

a)

Golgi apparatus

b)

cell membrane

c)

mitochondria

d)

ribosomes

143.

Which protects and supports the cell with its rigid structure?

a)

chloroplast

b)

nucleus

c)

cell wall

d)

cytoplasm

144.
Made up of only one cell.
a)
Prokaryotic cell
b)
Multi-cellular cell
c)
Unicellular cell
d)
Eukaryotic cell
145.
ALL organisms can be divided into two groups.
a)
Prokaryotes and Eukaryotes
b)
Plants and Animals
c)
Us and Them
d)
Hot blooded or Cold Blooded
146.
Pro-karyote translates to
a)
true nucleus
b)
before nucleus
c)
professional
d)
many nuclei
147.
Which cells are smaller, simpler, and have no organelles?
a)
eukaryotic cells
b)
your little brother's cells
c)
plant cells
d)
prokaryotic cells
148.

Which of the following is prokaryotic?

a)

frog

b)

fungi

c)

plant

d)

bacteria

149.

What is not part of the Cell Theory?

a)

cells are the basic units of organisms

b)

all cells have nucleus with nuclear membrane

c)

all living things are made of cells

d)

cells come only from existing cells

150.
What is the basic unit of structure and function in all living organisms?
a)
molecule 
b)
protein
c)
nucleus
d)
cell
151.
Which statement describes ALL living things?
a)
They must reproduce sexually
b)
They are made of one or more cells
c)
They are capable of making their own food
d)
They have organ systems to carry out the processes of life
152.
A type of cell with a membrane-enclosed nucleus and organelles.
a)
Prokaryotic cell
b)
Multicellular cell
c)
Unicellular cell
d)
Eukaryotic cell
153.

Which is NOT found in a prokaryotic cell?

a)

Cell membrane

b)

Nucleus

c)

Ribosomes

d)

DNA

154.
Which of the following is part of the Cell Theory
a)
Cells are the basic unit of organisms
b)
Cells do not come from existing cell
c)
All living things are made up of only one cell
155.

Which of the following contain mitochondria?

a)

Animal cells

b)

Plant cells

c)

BOTH plant and animal cells

d)

NEITHER plant nor animal cells

156.
An optical instrument used for viewing very small objects
a)
Lens
b)
Magnifying Glass
c)
Telescope
d)
Microscope
157.

Cells that contain many chloroplast with chlorophyll.

a)

Plant cells

b)

Animal cells

c)

All prokaryotic cells

d)

All eukaryotic cells

158.
This type of cell sends messages throughout the body in the form of electrical impulse.
a)
nerve cell
b)
sperm cell
c)
muscle cell
d)
skin cell
159.
This type of cell is found in males and is responsible for reproduction.
a)
sperm cell
b)
egg cell
c)
muscle cell
d)
nerve cell
160.

This type of cell carries oxygen and carbon dioxide throughout the body.

a)

gamete

b)

platelet

c)

white blood cell

d)

red blood cell

161.

An organism consisting of only one cell.

a)

multicellular

b)

differentiated

c)

unicellular

d)

specialized

162.

Multicellular organisms consist of (choose all that apply)

a)

more than one cell

b)

one cell

c)

specialized cells

d)

none of the above

163.

Cell structure is specifically related to its

a)

size

b)

function

c)

location

d)

none of the above

164.

When cells differentiate to perform certain tasks it is known as

a)

cell mediation

b)

cell organization

c)

cell normalization

d)

cell specialization

165.

The diagram shows the process of cell specialization from a single stem cell. Which of the following statements is true about the process of specialization.

a)

Specialized cells (blood, skin, nervous etc) cannot be produced from a single stem cell

b)

Specialized cells are produced immediately following fertilization

c)

Even though all the cells in an organism come from one single cell, they can specialize into different cell types

d)

Since all the cells in an organism come from one single cell, they must all have the same structure and function

166.

A phospholipid has two parts. What are they called?

a)

Hydrophilic Head, Hydrophobic Tail

b)

Hydrophobic Head, Hydrophilic Tail

167.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydroloric
168.
"Water Fearing" 
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydroloric
169.
Describes the arrangement of the cell membrane as bendable and made of many parts. 
a)
The Fluid Mosaic Model 
b)
The Major Mobility Model 
c)
The Crazy Cell Model
d)
The Maze Model
170.
___________ form the two layers of the cell membrane. 
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
171.

Controls the passage of materials inside and outside of the cell.

a)

Cell membrane

b)

Cytoplasm

c)

Cell wall

d)

Endoplasmic reticulum

172.

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

173.

Which of the following molecules pass easily through the cell membrane, requiring no help or energy? Choose 2!

a)

water

b)

glucose

c)

oxygen

d)

carbon dioxide

174.

Which of the following molecules don't pass easily through the cell membrane, requiring extra help from proteins? Choose 2!

a)

water

b)

glucose

c)

oxygen

d)

carbon dioxide

175.

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

a)

Selective permeability

b)

Permeability

c)

Impermeability

d)

Unpermeability

176.

Why is the cell membrane like a window screen?

a)

They both allow everything to pass through.

b)

Neither allow anything to pass through.

c)

They both allow certain things to pass through, while blocking the passage of others.

d)

They are not similar to each other at all.

177.

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

a)

lipids

b)

proteins

c)

cholesterol

d)

carbohydrates

178.
You put a cell into a solution, the cell grows. Is the solution hypotonic or hypertonic to the cell? 
a)
hypertonic
b)
hypotonic
c)
isotonic
d)
not enough information
179.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
180.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
181.
This egg has shrunk, what type of solution was it placed in?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
182.
What type of solution allows water to enter the plant cell?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
183.
An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.
a)
lower
b)
equal
c)
higher
184.
A HYPOTONIC solution has a ______________ concentration of solute (dissolved stuff) than inside the cell.
a)
lower
b)
equal
c)
higher
185.
If a cell is placed in a HYPOTONIC solution, water will move _________ of the cell, causing it to ___________.
a)
into, swell
b)
out of, shrivel
c)
in and out of the cell, stay the same
186.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
187.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
188.
What type of solution is this cell in?
a)
Isotonic
b)
Hypertonic
c)
Hypotonic
d)
diffused
189.
The movement of water across the membrane for a high concentration to a low concentration.
a)
endocytosis
b)
osmosis
c)
facilitated diffusion
190.

Diffusion is the movement of molecules from ______ to _______ concentration

a)

high, low

b)

low, high

191.
This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.
a)
vacuole
b)
nucleus
c)
cell membrane
d)
cell wall
192.

The end result of diffusion is when the concentrations are equal on both sides. This is called

a)

hypertonic

b)

equilibrium

c)

hypotonic

d)

isotonic

193.

Plant cell prefer what type of environment?

a)

hypertonic

b)

hypotonic

c)

isotonic

194.
Ideally, your cells should be in a(n) _______ solution
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Cola
195.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
196.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
197.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
198.
Solutes move against the concentration gradient, therefore energy is needed. 
a)
Passive Transport
b)
Active Transport
199.
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
200.
This takes substances into a cell
a)
endocytosis
b)
exocytosis
c)
both

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