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Biology Unit 1 Test Review

Total questions: 177

Worksheet time: 2hrs 19mins

Name
Class
Date
1.

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

a)

organism, cell, tissue, organ, organ system

b)

organ system, organ, tissue, cell, organism

c)

cell, tissue, organ, organ system, organism

d)

cell, organ, tissue, organism, organ system

2.

A zookeeper notices that that a certain monkey will jump when different volumes of a sound are played. He wonders if the volume of the noise affects how high the monkey jumps. The zookeeper then plays the same noise at different volumes (from very quiet to very loud) and measures how high the monkey jumps each time. What is the independent variable for this experiment?

a)

Height jumped

b)

Volume of sound

c)

no sound

d)

type of sound

3.

Compare the two graphs in Figure X. Which statement below correctly compares the two graphs.

a)

The Independent variable decreases while the dependent variable increase for both graphs.

b)

Graph L and graph M 99% similar.

c)

Graph L has a stronger correlation than graph M.

d)

Both variables change at equal rates.

e)

all are correct

4.

100% of the students got a B or better on the last test.  Is this Claim, Evidence, or Reasoning?

a)

Claim

b)

Evidence

c)

Reasoning

5.

Match the following

a)

Two out of three ineligible high school students fail to get enough sleep. This is the ..

1.

evidence

b)

If students are getting less sleep, then they are more likely to be tardy, absent, and inattentive in the morning and less able to learn because sleep is essential for basic school functioning.  This is the ___.

2.

reasoning

c)

Sleep is important to do well in school

3.

Claim

6.

Match the following

a)

Iguanas cannot control their temperature by shivering and sweating, instead, they burrow to stay cool and bask on rocks in the sun to stay warm.

1.

homeostasis

b)

Some animals have camouflage, which allows them to hide from predators more easily than organisms that do not have camouflage.

2.

Adapt and evolve over time

c)

A bird consumes a lot of worms every morning.

3.

Requires energy

d)

The head of the sunflower moves along with the sun’s location in the sky

4.

respond to stimuli

e)

As time progresses, a tadpole will lose its tail and grow legs until it is the structure of a frog.

5.

grows and develops

7.

Which correctly identifies the sub-organelle particles of cellular organization?

a)

Atoms, molecules, & macromolecules

b)

Carbon, hydrogen, & oxygen

c)

Protons, neutrons, & electrons

d)

Molecules make up macromolecules.

8.

Match the following

a)

Examples: protein, lipid, carbohydrates

1.

macromolecule

b)

Flower, stomach, brain, stem, roots, etc

2.

organ

c)

All of the beetles living in a garden during the springtime.

3.

population

d)

A group of atoms bonded together.

4.

molecule

e)

A group of cells working together for a common function.

5.

tissue

9.

Amino acid is to protein as

a)

Fat is to lipid.

b)

Sugar is to fat.

c)

Simple sugar is to carbs 

d)

Lipids is to fatty acids.

10.

Both animal fats and plant oils are examples of _________and have a monomer called ________.

a)

lipids; amino acids  

b)

lipid; fatty acids

c)


proteins; amino acids 

d)


proteins; fatty acids

11.

Which statement is true?

a)


               Simple sugars are made up of carbohydrates. 

b)

Glycerol is made up of fatty acids.

c)


   Polymers are made of monomers.   

d)

Amino acids are made of protein.

12.

Match the following

a)

Found in the nucleus of eukaryotic cells.

1.

Nucleic Acid

b)

very diverse, many different functions due to various shapes

2.

Protein

c)

the cell membrane made up of phospholipid bilayer 

3.

lipid

d)

Built for the Kreb cycle, & the mitochondria’s primary source for making energy by cell respirations.

4.

Carb.

e)

Has an R-group

5.

amino acid

13.

The basic unit of structure and function of living organisms

a)

organ

b)

organ system

c)

cell

d)

tissue

e)

organism

14.

Which organelle would you expect to find in plant cells but not animal cells?

a)

nucleus

b)

chloroplast

c)

cell membrane

d)

phospholipid bilayer

e)

plasma membrane

15.

Which organelle would you expect to find in plant cells but not animal cells?

a)

mitochondria

b)

cell wall

c)

cell membrane

d)

phospholipid bilayer

e)

plasma membrane

16.

A group of similar cells that work together to form the same function is called .......

a)

organ

b)

cell

c)

organ system

d)

organism

e)

tissue

17.
The cell is the building block of all living things.
a)
True
b)
False
18.
This organelle is often referred to as the power house of the cell.
a)
Mitochondria
b)
Lysosome
c)
Chloroplast
d)
Vacuole
19.
This organelle is where plants do photosynthesis.
a)
Mitochondria
b)
Lysosome
c)
Chloroplast
d)
Vacuole
20.

What is a Cell?

a)

The smallest basic unit of structure and function in living things

b)

The smallest basic unit of structure of matter

c)

Groups of similar cells that have a common function

d)

A structure that is composed of different kinds of tissues that perform similar functions

e)

A structure that consists of different organs that work together closely to perform a vital function

21.
The things that are kept the same to ensure the results are due to the experiment is called..
a)

Control group

b)

Controlled variable (constant)

c)
Independent Variable
d)
Dependent Variable
22.
The variable the is changed on purpose is..
a)

Constant (controlled variable)

b)

Control group

c)
Independent Variable
d)
Dependent Variable
23.

What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test score?"

a)

eating breakfast or not

b)

the grade you got on the test

c)

what time you get up in the morning

d)

how tasty the breakfast is

24.
What is the DEPENDENT variable (effect) in this experiment?
"Do tall people jump further than short people?"
a)
height of the person
b)
weight of the person
c)
how fast the person runs
d)
how far the person jumps
25.
What is the INDEPENDENT variable (cause) in this experiment?
"Will fish school more if a predator is present?" 
a)
whether there is a predator or not
b)
number of fish school together
c)
type of predator
d)
type of fish
26.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
27.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?
a)
Type of plant
b)
Water, apple juice, milk
c)
Plant growth
28.
A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.
a)
Diameter of the ball
b)
Force acting on the ball
c)
Height that the ball bounces
d)
Height from which the ball is dropped
29.
Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
30.

Diego wants to know how drinking milk affects how tall Dora grows. Which is the independent variable?

a)

Drinking milk.

b)

Diego's growth.

c)

Dora's growth.

d)

Chocolate or plain milk.

31.

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid. Each plant has the same amount of sunlight, soil and listens to the same music. What is the independent variable?

a)

the type of plant

b)

the type of liquid

c)

the type of music

d)

the amount of liquid

32.

Scientific Question: Does being tardy impact test scores?

What is one of the constant variables?

a)

test scores

b)

the time a student arrives to class

c)

amount of time to complete test

33.

Scientific Question: Will a person fall asleep faster if they listen to music?

What is the manipulated (independent) variable?

a)

music

b)

time to fall asleep

c)

person

34.

Scientific Question: Will a person fall asleep faster if they listen to music?

What is the dependent (responding) variable?

a)

music

b)

time to fall asleep

c)

person

35.

Jamal is trying to perfect his basketball shots. He thinks getting closer to the basketball hoop before throwing the ball will help him score more points. In this situation, what is the manipulated (independent) variable?

a)

How close Jamal gets to the hoop

b)

How high Jamal jumps when he shoots

c)

How many points he scores

d)

How hard he throws the ball

36.

Jamal is trying to perfect his basketball shots. He thinks getting closer to the basketball hoop before throwing the ball will help him score more points. In this situation, what is the dependent (responding) variable?

a)
How close Jamal gets to the hoop
b)
How high Jamal jumps when he shoots
c)
How many points he scores
d)
How hard he throws the ball
37.

(p74) Which are pseudo-polymers?

a)

Nucleic Acids

b)

Polysaccharides

c)

Protein

d)

Lipids

38.

(p59) Miller discharges a spark to mimic a lightning bolt in order to make....

a)

amino acids

b)

protein

c)

DNA

d)

all of the above

39.

p87) DNA and RNA are examples of...

a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
40.

p87.) Nucleotides are monomers of

a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
41.

Which of the following correctly illustrates a dipeptide and an amino acid in the optimal position to form a tripeptide?

a)

b)

c)

d)

42.

p77.) What type of macromolecule are enzymes?

a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
43.

Proteins are made of...

a)

C H O

b)

C H O N

c)

C H O N P

44.

p74.) What suffix (word ending) is used in the names of most carbohydrates?

a)
-ase
b)
-nic
c)
-ose
d)
-yme
45.

p75.) Which type of macromolecule is a Triacylglycerol (triglyceride) used for long term energy storage?

a)
b)
c)
d)
46.

p75.) What is the molecule illustrated in the figure below?

a)
a trans polyunsaturated triacylglyceride
b)

monounsaturated fatty acid

c)
a saturated fatty acid
d)
an unsaturated fatty acid
47.

(p87) This is a picture of a?

a)
Polypeptide
b)

DNA Nucleotide

c)

RNA Nucleotide

d)
Polysaccharide
48.
What is this molecule? (hint: Count the C:H:O)
a)
disaccharide
b)
monosaccharide
c)
polysaccharide
d)
starch
49.
What are the monomers of carbohydrates?
a)
Nucleotides
b)
Amino Acids
c)
Fatty Acids
d)
Monosaccharides
50.
What element is found in proteins and nucleic acids but not carbs nor lipids?
a)
carbon
b)
hydrogen
c)
nitrogen
d)
oxygen
51.
 What molecule is this?
a)

Polyunsaturated triglyceride

b)
polysaccharide
c)
phospholipid
d)

monounsaturated triglyceride

52.

What are the 3 monosaccharides?

a)

Glucose, Sucrose, Lactose

b)

 Maltose, Fructose, Galactose

c)

Glucose, Fructose, Galactose

d)

Maltose, Sucrose, Lactose

53.

Which of the following is not one of the four major classes of macromolecules?

a)

Lipids

b)

Carbon

c)

Protein

d)

Carbohydrates

e)

Nucleic Acid

54.

p79.) Which monomer is shown?

a)

lipid

b)

amino acid

c)

nucleic acid

d)

glucose

55.

Which picture(s) correctly depict(s) the structure of its macromolecule?

a)

Only C

b)

B and C

c)

A and B

d)

Only A

56.

The diagram shows three repeating units of a polymer. Which of the following molecular structures make up the repeating units shown in the diagram?

a)

amino acid

b)

nucleotide

c)

triglyceride

d)

monosaccharide

57.

 

Based on the molecular structures shown in the figure, which molecule is likely to be solid at room temperature?

a)

Linoleic acid, because the absence of carbon-carbon double bonds allows the molecules to pack closely together.

b)

Linoleic acid, because the presence of carbon-carbon double bonds prevents the molecules from packing closely together.

c)

Palmitic acid, because the absence of carbon-carbon double bonds allows the molecules to pack closely together.

d)

Palmitic acid, because the presence of carbon-carbon double bonds prevents the molecules from packing closely together.

58.

p74.) Carbohydrates are made of...

a)

C H O in a 1:2:1 ratio

b)

C H O with very little O

c)

C H O N P

d)

C H O N S

59.
Which of these atoms is NOT found in a Carbohydrate?
a)
Carbon (C)
b)
Oxygen (O)
c)
Hydrogen (H)
d)
Phosphorous (P)
60.
 What molecule is this?
a)
These are monosaccharides
b)
These are disaccharides
c)
These are polysaccharides
d)
These are lipids
61.

If a cell was deprived of amino acids, which macromolecule would not be able to develop properly?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

62.

Which class of organic macromolecules did this sample belong?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

63.

What macromolecule is shown?

a)

Nucleic Acids

b)

Lipids

c)

Proteins

d)

Carbohydrates

64.
A template reads 3'-ATTCG-5'. The complementary strand would read...
a)
3'-TAAGC-5'
b)
5'-TAAGC-3'
c)
3'-UAAGC-5'
d)
3'-UAAGC-5'
65.

Nucleic acids are mad up of nucleotide. What is the structure of a nucleotide?

(hint: look for a 5-Carbon Sugar Molecule)

a)
b)
c)
d)
66.

A fat that is solid at room temperature. (ex. Animal fat)

a)

Saturated Fat

b)

Supersaturated Fat

c)

Unsaturated Fat

67.

A fat that is liquid at room temperature because of the kinks in the molecule. (ex. Plant oils)

a)

Supersaturated

b)

Unsaturated

c)

Saturated

68.

Which of these are examples of Lipids?

a)

simple sugars

b)

complex carbohydrates

c)

fats, oils, & waxes

d)

hair, skin, & nails

69.

Monomers of Lipids include

a)

amino acids

b)

monosaccharides

c)

nucleotides

d)

glycerol and fatty acids

70.

Lipids are made of...

a)

CHO

b)

CHON

c)

CHONP

d)

CHONS

71.

Which is an example of a lipid?

a)

candy

b)

olive oil

c)

meat

d)

DNA

72.
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
73.

Saturated fats are __________ at room temperature.

a)

liquid

b)

solid

74.

Which of these is NOT an example of a carbohydrate?

a)

Dextrose

b)

Thymine

c)

Galactose

d)

Glucose

75.

True or False

Lipids are hydrophobic

a)

True

b)

False

76.

Which of these represents a fatty acid molecule?

a)
b)
c)
d)
77.

Match the following

a)

saturated fatty acid

1.

no double bonds

b)

monounsaturated fatty acid

2.

1 double bond

c)

polyunsaturated fat

3.

at least 2 double bonds

78.
What is a triglyceride?
a)
a glycerol joined to 3 fatty acids
b)
a glycogen joined to 2 fatty acids
c)
4-fused carbon rings
d)
long chains of hydrocarbons and an alcohol.
79.
Which of the following foods contains unsaturated fats?
a)
fish
b)
olive oil
c)
cheese
d)
eggs
80.
Unsaturated fats have _______________
a)
bent structure
b)
double bonds
c)
liqudity at room temperature
d)
all of the above
81.

What is the term for a single subunit of a polymer?

a)

Isomer

b)

Monotope

c)

Isotope

d)

Monomer

82.

What is this molecule called?

a)

triglyceride

b)

phospholipid

c)

glycero-phospholipid

d)

polysaccharide

83.

Which of these fatty acids is a solid at room temperature?

a)

A

b)

B

c)

C

d)

D

84.

Fatty acids are either saturated or unsaturated. When do we say that a fatty acid is saturated?

a)

If its carbon- carbon bonds are triple bonded.

b)

If all carbon- carbon bonds are single bonds.

c)

If the hydrocarbon chain has one or more double bonds.

d)

Cannot be determined

85.

Fatty Acids differ in there chain length and their

a)

protein carriers

b)

Side chains

c)

energy level

d)

degree of saturation

86.
What are the components of a nucleotide?
a)
nitrogen base, phosphate group, and pentose sugar
b)
pentose sugar, purine, and pyrimidine
c)
nitrogen base and a phosphate group
d)
DNA, phosphate group, monosaccharide
87.
RNA contains the sugar...
a)
Deoxyribose
b)
Glucose
c)
Ribose
d)
Lipids
88.

What sugar is found in DNA?

a)

Glucose

b)

Ribose

c)

Deoxyribose

d)

Fructose

89.
Which is the correct pairing?
a)
A-C
b)
A-T
c)
A-G
90.
Which is the correct pairing?
a)
T-C
b)
G-T
c)
G-C
91.
Adenine, Thymine, Guanine and Cytosine are what?
a)
Phosphates
b)
Sugars
c)
Nucleotides
d)
Bases
92.

(p87) The backbone of DNA is made up of _______ & ________ units. 

a)
sugar & base
b)
sugar & phosphate
c)
base & phosphate
d)
phosphate & phosphate
93.

Nucleic Acids are made of

a)

CHO

b)

CHON

c)

CHONP

d)

CHONS

94.

(p51) Which of the following is LEAST likely to dissolve in water?

a)
nonpolar fats and oils
b)
polar sugar molecules
c)
salt made of a positive sodium ion and a negative chloride ion
d)
all of the substances will dissolve easily in water
95.

p75.) Which of the following is considered fully saturated?

a)
b)
c)
d)
96.

Proteins are made of monomers called ___________p79

a)
Nucleotides
b)

Water

c)
Amino Acids
d)

Dipeptide

97.
This is a picture of a?
a)
Amino Acid
b)
Nucleic Acid
c)
Lipid
d)
Polysaccharide
98.

(p6-7) Which of the following statements best describes how organisms such as rabbits obtain the carbon necessary for building biological molecules?

a)

Rabbits eat plants and use energy absorbed from the plants to make carbon atoms from electrons, protons, and neutrons in the air.

b)

Rabbits eat plants and break down plant molecules to obtain carbon and other atoms that they rearrange into new carbon-containing molecules.

c)

Rabbits eat plants and use water absorbed from the plants to hydrolyze

CO2, which the rabbits breathe in from the air and use as a carbon source.

d)

Rabbits eat plants and make carbon-containing molecules by using carbon atoms that the plants absorbed from the soil and stored in the cells of their leaves.

99.

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

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

100.
What is NOT TRUE about the cell membrane?
a)
It controls what enters and leaves the cell
b)
Semipermeable
c)
Phospholipid bilayer
d)
Contains digestive enzymes
101.

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

102.
Which statement best describes the cell membrane?
a)
The protective outer layer that controls what enters and leaves the cell.
b)
Stores information on DNA molecules / Directs and controls the activities of the cell.
c)
A folded membrane that moves materials around inside cells / Also acts as the site of manufacturing materials needed by the cell.
d)
The smallest organelle with a huge job / Makes proteins, which are the building blocks of the body.
103.
True or false:  Regulating what enters and leaves the cell helps the cell maintain homeostasis. 
a)
True
b)
False
104.
___________ have 2 functions in the cell membrane.
1.) They act like gatekeepers, only let certain things in. 
2.) Enzyme receptors embedded in the membrane.
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
105.
Which of the following is responsible for getting large or charged (polar) molecules across the cell membrane?
a)
E
b)
B
c)
C
d)
D
106.
Something is ___________ ____________
when some molecules can cross the membrane while others cannot. 
a)
Selectively (or Semi) Permeable 
b)
Totally Transparent
c)
Liquid Licorice 
d)
Heavily Patrolled 
107.
The cell membrane is selectively permeable, which means...
a)
All materials can enter and leave the cell
b)
Certain things can enter while others cannot
c)
The cell manually sorts through all materials
d)
Only certain cells can interact with the cell.
108.
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
109.
A phospholipid has 2 parts. What are they called? 
a)
Hydrophilic Head, Hydrophobic Tail 
b)
Hydrophobic Head, Hydrophilic Tail 
110.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydroloric
111.

In a lipid bilayer, ___________ fatty acid tails face each other within the bilayer and form a region that excludes water.

a)

A. Hypotonic

b)

B. Hypertonic

c)

C. Hydrophilic

d)

D. Hydrophobic

112.
Another term for equilibrium is...
a)
Equality
b)
Babycakes
c)
Homeostasis
d)
Balance
113.
Which of the following is NOT part of the cell membrane?
a)
Lipids
b)
Carbs
c)
Proteins
d)
Nucleic Acids
114.
Lipid tails are...
a)
Hydrophobic
b)
Hydrophilic
115.

Phospholipid heads are...

a)

lipophobic

b)

greasy

c)

hydrophobic

116.
Lipid heads are...
a)
Hydrophobic
b)
Hydrophilic
117.
What does hydrophobic mean?
a)
Likes water as a friend
b)
Dissolves in water
c)
Loves water
d)
Hates water
118.
What does hydrophilic mean?
a)
Fills water up
b)
Hates water
c)
Loves water
d)
Only associates with water if it has to
119.
When looking at the cell membrane, where are the lipid heads located?
a)
Floating between bilayer levels
b)
Outer part of the bilayer
c)
Inner part of the bilayer
d)
Located at different parts throughout the bilayer
120.
When looking at the cell membrane, where are the lipid tails located?
a)
Inner part of the bilayer
b)
Outer part of the bilayer
c)
At the end of the bilayer
d)
Goes through each end of the bilayer
121.
How many layers is the lipid bilayer?
a)
1
b)
2
c)
3
d)
4
122.
What does the "fluid mosaic model" mean about the cell membrane?
a)
It can dissolve into fluid.
b)
The cell is mostly made of mosaic molecules.
c)
It looks like a flexible pattern.
d)
Somebody else should name these things.
123.
Which of the following is responsible for getting complex molecules across the cell membrane?
a)
Lipids
b)
Carbs
c)
Proteins
d)
Nucleic Acids
124.
What are the carbohydrates in the cell membrane for?
a)
to form channels and pumps
b)
to help cells identify one another
c)
to make the membrane strong
125.
___________ allow cells to recognize each other and act like ID tags. 
a)
Carbohydrates 
b)
Proteins
c)
Phospholipids 
d)
Cholesterol
126.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
127.
A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 
a)
phospholipid 
b)
Carbohydrate
c)
Cholesterol 
d)
Protein 
128.
Which type of movement requires energy?
a)
osmosis
b)
active transport
c)
diffusion
d)
facilitated diffusion
129.
Which type of movement goes from low to high concentration?
a)
active transport
b)
diffusion
c)
osmosis, 
d)
facilitated diffusion
130.

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

131.
What three substances make up the cell membrane?
a)
lipids, starches, nucleic acids
b)
lipids, fats, sugars
c)
lipids, sugars, proteins
d)
lipids, proteins, carbohydrates
132.
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
133.
How does a cell maintain homeostasis?
a)
Regulates what enters and leaves the cell
b)
Flexibility
c)
Protective barrier
d)
Structure and support
134.
What is another term for "selectively permeable"?
a)
Porous
b)
Acts like a switch
c)
Permanent
d)
Semipermeable
135.
Identify the part of the membrane identified as A.
a)
carbohydrate
b)
cholesterol
c)
protein
d)
phospholipid
136.
The function of the plasma membrane is....
a)
to regulate what enters and leaves the cell.
b)
fight bacteria and viruses that enter the cell.
c)
provide rigid support and protection to the cell.
d)
make sure each cell can move
137.

What molecule is pictured?

a)

Integral Protein

b)

Carbohydrate chain

c)

Phospholipid

138.
why do cells move things in and out?
a)
they are bored
b)
why not
c)
homeostatis, yo! 
d)
kittens
kittens
139.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
140.

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

a)

the phosphate "head"

b)

the lipid "tails"

141.

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

a)

the phosphate "head"

b)

the lipid "tails"

142.

Where can carbohydrates be found when part of a plasma membrane?

a)

On the outside of the membrane

b)

On the inside of the membrane

c)

Embedded part of the way into the membrane

d)

Embedded the whole way through the membrane

e)

All of the above

143.

Where can PROTEINS be found when part of a plasma membrane?

a)

On the outside of the membrane

b)

On the inside of the membrane

c)

Embedded part of the way into the membrane

d)

Embedded the whole way through the membrane

e)

All of the above

144.

What is the function of cholesterol in a plasma membrane?

a)

To make the membrane flexible

b)

To control the effect of temperature changes

c)

To attract water molecules

d)

To allow nutrients and other essential molecules into the cell

145.

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.

146.

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

147.

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

148.

Which are example is hydrophobic in nature.

a)

Oil

b)

Sugar

c)

Salt

d)

Water

149.
What does "bilayer" mean?
a)
one layer
b)
two layers
c)
laminated
d)
bilateral
150.
What is embedded in the phospholipid bilayer?
a)
proteins
b)
salt
c)
water
151.
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
152.
___________ allow cells to recognize each other and act like ID tags. 
a)
Carbohydrates 
b)
Proteins
c)
Phospholipids 
d)
Cholesterol
153.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
154.
___________ form the two layers of the cell membrane. 
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
155.
Which letter indicates an integral protein?
a)
E
b)
F
c)
H
d)
I
156.
Part of the plasma membrane responsible for cell recognition... 
a)
C
b)
E
c)
B
d)
D
157.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A 
158.
The function of the plasma membrane is....
a)
to regulate what enters and leaves the cell.
b)
fight bacteria and viruses that enter the cell.
c)
provide rigid support and protection to the cell.
d)
make sure each cell can move
159.

Which of the following is NOT a characteristic of the cell membrane?

a)

Forms a protective boundary between the inside and outside of the cell

b)

Controls what enters and leaves the cell

c)

Composed of a double layer of phospholipids

d)

Contains high amounts of cellulose to maintain structure

160.

Semi-permeable membranes...

a)

Allow all materials to pass through freely

b)

Allow some materials to pass through freely, but stops other materials

c)

Stop all materials from passing through

d)

Are rigid to protect the cell from viruses

161.

Amino acids are the building blocks of which macromolecule?

a)

carbohydrate

b)

nucleic acid

c)

lipid

d)

protein

162.

This picture is of a structure found within a cell. This structure also contains cholesterol, proteins, and carbohydrates. What is the lipid structure?

a)

Phospholipid bilayer

b)

Cell Wall

c)

Cytoplasm

d)

polypeptide

e)

Homeostasis

163.

There are multiple phospholipids that, due to their structure, creates a semi-permeable membrane. What is this structure of a phospholipid?

a)

Hydrophobic head, hydrophobic tail

b)

Hydrophobic head, hydrophilic tail

c)

Hydrophilic head, hydrophilic tail

d)

Hydrophilic head, hydrophobic tail

164.

There are multiple phospholipids that, due to their structure, creates a semi-permeable membrane. What is this structure of a phospholipid?

a)

Lipophobic head, Lipophobic tail

b)

Lipophobic head, Lipophilic tail

c)

Lipophilic head, Lipophilic tail

d)

Lipophilic head, Lipophobic tail

165.

The structure above is an organelle that is semi-permeable and helpful to the cell. What is one main thing this organelle does for the cell?

a)

Helps maintain homeostasis

b)

Does not let anything in

c)

Let’s everything into the cell

d)

Gives the plant cell its structure

166.

This organelle is selectively permeable and lets things in and out of the cell

a)

cell membrane

b)

plasma membrane

c)

cell wall

d)

cytoplasm

e)

chloroplasts

167.

In an experiment, all variables are held constant except for one.  Then, experimental results are compared to that one variable. What type of experiment is this? 

a)

a variable experiment 

b)

a hypothetical experiment

c)

 

a multifactor experiment

d)

a controlled experiment 

168.

Unlike sexual reproduction, asexual reproduction involves

a)

Two cells

b)

Two parents

c)

One parent

d)

One nonliving parent

169.

Inside the human body, the temperature stays at a consistent 98.6 degrees. We are able to keep the temperature the same by sweating or shivering.  These processes are necessary for maintaining _____________. 

a)

Energy

b)

 

Homeostasis

c)

 

Organization

d)

Reproduction  

170.

A frog going from the tadpole stage into a tadpole with legs would be an example of which characteristic of life? 

a)

Evolution

b)

Reproduction 

c)

Grow and development

d)

Response to a stimulus 

171.

A plant in the dark struggles because it is not able to create its own food. What characteristic of life is the plant struggling to fulfill?

a)

Made of cells

b)

Respond to a stimulus

c)

Evolution

d)

Requires energy

172.

A scientist wondered “Will crickets chirp more if the temperature is warmer?” If an experiment was designed to gather appropriate data to answer that question, which would best represent the control and experimental groups?

a)

Control group: number of chirps

Experimental group: type of crickets               

b)

Control group: warmer temperature

Experimental group: cooler temperature

c)

Control group: room/normal temperature

Experimental group 1: warm temperature

Experimental group 2: hot temperature

d)

Control group: Type of crickets

     Experimental group 1: number of chirps

Experimental group 2: type of diet

173.

Which of the following pairs are unrelated?

a)

sugar / carbohydrate

b)

enzyme / protein

c)

polysaccharide / nucleic acid

d)

fat / lipid

174.

Largely made up of phospholipids with some proteins connected and/or embedded. This describes the make-up of which organelle or cell structure?

a)

Cell Wall

b)

Ribosome

c)

Mitochondria

d)

Cell Membrane

175.

What is happening in this diagram?

a)

A molecule is moving through the phospholipid bilayer from low concentration to high.

b)

A molecule is moving through the phospholipid bilayer from high concentration to low.

c)

A molecule is moving through a channel protein from low concentration to high.

d)

A molecule is moving through a channel protein from high concentration to low.

176.

What is depicted in this image?

a)

a cell wall

b)

a cell membrane

c)

a proton

d)

a ribosome

177.

A nucleotide contains a 5-carbon sugar, phosphate group, and a ____________

a)

Nitrogenous base

b)

Hydrogenous base

c)

Carboxyl group

d)

Amine Group

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