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AP Bio Unit 1 Review

Total questions: 105

Worksheet time: 26hrs 15mins

Name
Class
Date
1.
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.
2.
What two elements make up water?
a)
Helium and oxygen
b)
Hydrogen and oxygen
c)
helium and carbon
d)
oxygen and carbon
3.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
4.
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
a)
less polar
b)
more polar
c)
less dense
d)
more dense
5.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
6.
Which statement explains why water molecules stick together?
a)
both sides are negative
b)
one side has a positive charge and the other side has a negative charge
c)
one side has a negative charge adn the other side has a neutral charge
d)
both sides are positive
7.
A student is heating a pan of water.  What happens to the molecules as the temperature of the water gets hotter?
a)
the molecules move faster
b)
the molecules stop moving
c)
the molecules move slower
d)
there is no change in the movement of the molecules
8.

What is the attractive force between two bodies of different substances that are in contact with each other? This is the property of a water molecule that allows it to stick to other substances.

a)

adhesion

b)

cohesion

c)

specific heat

d)

universal solvent

9.

What is the force that holds molecules of a single substance together and its the property of water that allows one water molecule to stick to other water molecules?

a)

cohesion

b)

adhesion

c)

specific heat

d)

universal solvent

10.

What are the unique properties of water? - choose all that apply.

a)

cohesion

b)

adhesion

c)

specific heat

d)

universal solvent

e)

unique temperature

11.

A(n) _________________ is a liquid that dissolves substances or the substance in which the solute dissolves.

a)

solvent

b)

solute

c)

mixture

d)

molecule

12.

The __________________ is a property of a system in which two points have opposite characteristics, such as charges (positive/negative) or magnetic poles.

a)

polarity

b)

opposites

c)

cohesion

d)

adhesion

13.

The dashed lines represent

a)

hydrogen bonds

b)

covalent bonds

c)

ionic bonds

d)

delta

14.

What kind of charge is on hydrogen atoms?

a)

positive

b)

negative

c)

north

d)

south

15.

Nonpolar molecules include

a)

fats only

b)

oils only

c)

both fats and oils

d)

fats, oils and waxes

16.

The building blocks of a macromolecule

a)

amino acid

b)

monomer

c)

polymer

d)

sugar

17.

A metabolic reaction that breaks polymers into smaller parts

a)

anabolism

b)

catabolism

c)

condensation reaction

d)

dehydration synthesis

18.

triglycerides that have all single bonds between carbon atoms

a)

monounsaturated

b)

polyunsaturated

c)

saturated

d)

trans fats

19.

A part of a larger molecule that causes it to behave in a specific way.

a)

functional group

b)

monomer

c)

polymer

d)

ester linkage

20.

Carbohydrates have a higher proportion of this atom than lipids do

a)

carbon

b)

hydrogen

c)

nitrogen

d)

oxygen

21.

Carbohydrates are stored in humans as this compound

a)

amylose

b)

cellulose

c)

chitin

d)

glycogen

22.

Lactose is an example of

a)

a disaccharide

b)

a monosacharide

c)

a polysaccharide

d)

an indigestible sugar

23.

A long-term energy storage molecule

a)

carbohydrate

b)

protein

c)

steroid

d)

triglyceride

24.

A ______________ is a large molecule.

a)

Micromolecule

b)

Polymer

c)

Amino Acid

d)

Macromolecule

25.

Which of the following elements are found in all macromolecules? (Select all that apply).

a)
b)
c)
d)
26.

Which macromolecule is used as our main source of energy?

a)

Lipids/Fats

b)

Nucleic Acids

c)

Proteins

d)

Carbohydrates

27.

Which of the following are examples of carbohydrates? (Select all that apply).

a)

Bread

b)

Pasta

c)

Olive Oil

d)

Cheese

28.

Nucleic acids make up which of the two molecules listed below?

a)

FDA

b)

RNA

c)

DNA

d)

FDR

29.

This is one job proteins do not have in the body.

a)

structure for tissues and organs

b)

transport things through cell membranes

c)

speed up chemical reactions

d)

insulation

30.

This macromolecule breaks down into sugars such as glucose.

a)

Lipids/Fats

b)

Nucleic Acids

c)

Protein

d)

Carbohydrates

31.
Which major macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
32.
Which of the following contains the genetic code for protein synthesis?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
33.
What type of macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
34.
What are the building blocks of proteins?
a)
amino acid
b)
fatty acid
c)
nucleotide
d)
lipid
35.
What are the single sugars that are the building blocks of carbohydrates?
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
amino acid
36.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
37.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
38.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
39.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
40.

Which macromolecule is shown?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

41.
What type of macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
42.
Carbohydrates are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
43.
Lipids are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
44.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
45.
Is found in the cell membrane as a bilayer. 
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
46.
What is the primary function of carbohydrates in your body?
a)
Speed up chemical reactions.
b)
Give immediate energy.
c)
Help to store energy.
d)
Build cell walls in plants.
47.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
48.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
49.
I am responsible for long term energy storage in mammals.
a)
Protein
b)
Lipid
c)
Carbohydrate
d)
Nucleic Acid
50.
The word saccharide means:
a)
sugar
b)
glucose
c)
sweetener
d)
carbohydrate
51.
Important to the structural integrity of plant cells, this is the single most popular polysaccharide in the world.
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
52.
Enzymes will make a reaction go _______ and use ______ energy.
a)
faster, less
b)
faster, more
c)
slower, less
d)
slower, more
53.
This is the area on an enzyme that the substrate attaches.
a)
active site
b)
product
c)
catalytic region
d)
reactant site
54.
Which factor denatures a enzyme?
a)
Excessive heat
b)
Nothing can
c)
Exposure to light
d)
Exposure to bacteria
55.
The "lock and key hypothesis" attempts to explain the mechanism of?
a)
Vacuole formation
b)
Pinocytosis
c)
Sharing of electrons
d)
Enzyme are specific to a substrate
56.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
57.
Which line represents an enzyme-catalyzed reaction? 
a)
Line 1
b)
Line 2
58.
In a chemical reaction, a reactant binds to an enzyme at a region known as the
a)
catalyst.
b)
product.
c)
substrate.
d)
active site. 
59.

Water is necessary to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

60.

Carbon can form _____ bonds with other elements.

a)

1

b)

2

c)

3

d)

4

61.

A _________ reaction removes a molecule of water to bond molecules together to create a polymer.

a)

hydrolysis

b)

water

c)

dehydration synthesis

d)

magical

62.

In order to break apart a polymer ________ must be added.

a)

carbon

b)

water

c)

oxygen

d)

hydrogen

63.

C6H12O6 is the chemical formula for

a)

water

b)

methane

c)

glycogen

d)

glucose

64.

What type of reaction is shown?

a)

Dehydration synthesis

b)

Hydrolysis

65.

Which type of reaction is shown?

a)

Dehydration Synthesis

b)

Hydrolysis

66.

Which of the following atoms is best suited for forming large macromolecules?

a)

Hydrogen

b)

Carbon

c)

Oxygen

d)

Nitrogen

67.
What is a biological molecule?
a)
a large organic molecule in any living organism.
b)
A molecule that has its own biology
c)
A molecule found only in rodents
d)
A biological polymer maade of amino acid monomers
68.

Hydrophobic means...

a)

An attraction to water

b)

To fear/dislike water

c)

To like water

69.

Hydrophilic means

a)

An attraction to water

b)

To fear/dislike water

70.
Connects monomers to form a polymer
a)
Dehydration synthesis
b)
hydrolysis
71.
Breaks up polymers, forming monomers
a)
dehydration synthesis
b)
hydrolysis
72.

This carbohydrate is used by animals to store energy in the liver.

a)

chitin

b)

glycogen

c)

glucose

d)

starch

73.
Plants store glucose in the form of
a)
starch
b)
glycogen
c)
cellulose
d)
chitin
74.
This polysaccharide is important to the structure of plant cell walls, 
a)
Starch
b)
Glycogen
c)
Cellulose
d)
Chitin
75.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
76.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
77.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
78.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
79.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
80.
What sugar is in DNA?
a)
deoxyribose
b)
ribose
c)
oxyribose
d)
deoxyose
81.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
82.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
83.
·  Copying and carrying the genetic code is the responsibility of which molecule?
a)
RNA
b)
Glucose
c)
Oxygen
84.
The base Uracil is only found in which molecule?
a)
DNA
b)
RNA
c)
Carbohydrates
85.

How are DNA and RNA different? (CHECK ALL THAT APPLY)

a)

Only DNA can leave the nucleus

b)

RNA contains Thymine; DNA contains Uracil

c)

DNA is double stranded, RNA is a single stranded

d)

DNA contains Thymine, RNA contains Uracil

86.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
87.

When reading DNA, we always start the the ____ end and end at the ____ end.

a)

5’ prime, 3’ prime

b)

3’ prime, 5’ prime

c)

longest end, shortest end

d)

top, bottom

88.

Which level of protein structure is only found in proteins with more than one polypeptide chain?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

89.

Which level of protein structure describes a protein's three-dimensional shape?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

90.

What is the name of the bond that joins two amino acids together?

a)

Ester bond

b)

Glycosidic bond

c)

Peptide bond

d)

Nucleic bond

91.

What is the name for a chain of amino acids?

a)

Polypeptide chain

b)

Triglycerides

c)

Polysaccharides

d)

Nucleotides

92.

Which of the following functional groups is found in all amino acids?

a)

Amino

b)

Carboxyl

c)

Hydroxyl

d)

Sulfhydryl

93.

Which of the following requires the dehydration reaction of two amino acids?

a)

Carboxyl group of first amino acid binds with carboxyl group of second amino acid

b)

Carboxyl group of first amino acid binds with amino group of second amino acid

c)

R group of first amino acid binds with R group of second amino acid

d)

Amino group of first amino acid binds with amino group of second amino acid

94.

In terms of directionality of the protein, which of the following provides naming for the side with the amino group?

a)

A-terminus

b)

C-terminus

c)

N-terminus

d)

S-terminus

95.

In terms of directionality of the protein, which of the following provides naming for the side with the carboxyl group?

a)

A-terminus

b)

C-terminus

c)

N-terminus

d)

S-terminus

96.

Saturated fats are __________ at room temperature.

a)

liquid

b)

solid

97.
The phospholipid bilayer comprises what part of the cell?
a)
cytoplasm
b)
cell membrane
c)
cytoskeleton
d)
nuclear membrane
98.

Part of a phospholipid molecule can mix with water, but the other part cannot. This means the molecule is

a)

hydrophobic

b)

hydrophilic

c)

amphipathic

d)

ambidextrous

99.

Fatty Acids differ in there chain length and their

a)

protein carriers

b)

Side chains

c)

energy level

d)

degree of saturation

100.

Identify the macromolecule in the picture

* cholesterol and triglycerides

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

101.

Which type of molecule is shown?

a)

saturated fatty acid

b)

unsaturated fatty acid

c)

cholesterol

d)

starch

102.

The majority of the plasma membrane is composed of a bilayer of ______.

a)

phospholipids

b)

proteins

c)

carbohydrates

d)

cholesterol

103.

What does A represent?

a)

hydrophilic phosphate heads

b)

hydrophobic phosphate heads

c)

membrane proteins

d)

cholesterol

104.

What does D represent?

a)

hydrophilic fatty acid tails

b)

hydrophobic fatty acid tails

c)

membrane proteins

d)

cholesterol

105.

Phospholipids are made up of two parts. Which of the following correctly describes these two parts?

a)

hydrophobic head, hydrophilic tail

b)

hydrophobic head, hydrophobic tail

c)

hydrophilic head, hydrophobic tail

d)

hydrophilic head, hydrophilic tail

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