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Total questions: 172

Worksheet time: 3hrs 37mins

Name
Class
Date
1.

What is homeostasis?

a)

Keeping something at an ideal position/setting

b)

A species of hominids

c)

The category in which we put biomolecules

d)

A mixture that is fully blended (with all biomolecules equal)

2.

What are the FOUR most common elements in living things?

a)

Carbon

b)

Silicon

c)

Nitrogen

d)

Hydrogen

e)

Oxygen

3.

What is the function of carbohydrates?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

4.

Carbohydrates are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

5.

What is the function of proteins?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

6.

Proteins are primarily made out of... (and sometimes Sulfur)

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

7.

What is the function of nucleic acids?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

8.

Nucleic acids are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

9.

What is the function of lipids?

a)

Perform cell's functions/tasks

b)

Fast energy

c)

Energy storage

d)

Alter other biomolecules

e)

Store information for cells

10.

Lipids are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

11.

Your friend is really irritable while sitting in class. He feels lightheaded and dizzy. He is also feeling a bit of confusion and brain fog.


What inferences are most realistic to make about the biomolecules in your friend's body?

a)

He is running low on fast sources of energy

b)

Proteins are being broken down or reshaped

c)

The coding information in the cell is incorrect or incomplete

d)

There is not enough insulation or energy storage

12.

Your friend is really irritable while sitting in class. He feels lightheaded and dizzy. He is also feeling a bit of confusion and brain fog.


What biomolecule does your friend need?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

13.

Dystrophin is a molecule that holds muscle fibers together. In people with muscular dystrophy, a genetic disease that causes people to lose the ability to walk at a young age, dystrophin molecules never develop.


What can you infer about the biomolecules of affected individuals? (select all correct answers)

a)

There is a lack of sources of fast energy

b)

A biomolecule is missing

c)

The coding information in the cell is incomplete or incorrect

d)

If removes insulation and long term energy storage

14.

Dystrophin is a molecule that holds muscle fibers together. In people with muscular dystrophy, a genetic disease that causes people to lose the ability to walk at a young age, dystrophin molecules never develop.


What biomolecule is this person missing?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

15.

Bowhead whales can have a specialized layer of blubber up to 30 cm’s thick. This acts as a special insulation that traps the heat their muscles create from movement.


What biomolecule is the blubber primarily made of?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

16.

Helicase is an example of a biomolecule that can destroy bonds between DNA strands during DNA replication.


What biomolecule is helicase?

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

17.

A scientist discovers new life on a distant planet. While watching the alien species live on the planet, scientists begin to notice that in order to hunt this species will attack another smaller species and inject them with some sort of liquid. After a short time, the smaller organism develops a sort of necrosis which is when a small portion of the organism's flesh begins to break down. Soon after necrosis begins the smaller organism dies.


What can you infer about the function of the poison?

a)

It decreases fast sources of energy

b)

Proteins are being broken down or reshaped

c)

The coding information in the cell is altered

d)

If removes insulation and long term energy storage

18.

A scientist discovers new life on a distant planet. While watching the alien species live on the planet, scientists begin to notice that in order to hunt this species will attack another smaller species and inject them with some sort of liquid. After a short time, the smaller organism develops a sort of necrosis which is when a small portion of the organism's flesh begins to break down. Soon after necrosis begins the smaller organism dies.


What biomolecule are the aliens injecting?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

19.

There is a person with Albinism. This individual does not produce melanin. Melanin allows for people to be protected from the sun. Since Albinos do not produce this protein they are prone to getting sunburns.


What inferences are most realistic to make about the biomolecules in this individual's body?

a)

He is running low on fast sources of energy

b)

Proteins are being broken down or reshaped

c)

The coding information in the cell is incorrect or incomplete

d)

There is not enough insulation or energy storage

20.

There is a person with Albinism. This individual does not produce melanin. Melanin allows for people to be protected from the sun. Since Albinos do not produce this protein they are prone to getting sunburns.


What biomolecule results in the individual having albinism?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

21.
All polymers are made up of...
a)
monosaccharides
b)
monomers
c)
proteins
d)
None of these
22.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
23.
Name this biomolecule
a)
carbohydrate
b)
lipid
c)
nucleic acid
d)
protein
24.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
25.
Which biomolecule are in starches and fibers?
a)
Lipid
b)
Protein
c)
Nucleic Acid
d)
Carbohydrate
26.
Which biomolecule is responsible for insulation and energy storage?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
27.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
28.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
29.
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
30.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
31.

What is the monomer for carbohydrates?

a)

Amino acid

b)

Nucleotide

c)

Fatty acid

d)

Monosaccharide

32.

Which monomer makes up lipids?

a)

Amino acid

b)

Nucleotide

c)

Fatty acid

d)

Monosaccharide

33.
How many sugar-phosphate strands exist in each RNA molecule?
a)
4
b)
2
c)
1
d)
None
34.
The word "saccharide" means:
a)
sugar
b)
protein
c)
amino acids
35.

As food travels through the digestive system, it is exposed to a variety of pH levels. The stomach has a pH of 2 due to the presence of hydrochloride acid (HCl), and the small intestine has a pH ranging from 7 to 9. HCl converts pepsinogen into pepsin, an enzyme that digests proteins in the stomach. Which of the following most likely happens to pepsin as it enters the small intestine?

a)

It becomes inactive.

b)

It begins to replicate.

c)

It's shape changes to engulf large proteins.

d)

It's activity increases to digest more proteins.

36.

In living cells, enzymes act as catalysts, which may reduce the amount of activation energy required for a chemical reaction to occur. In the graphs below, pathway x is a solid line representing the uncatalyzed reaction. The dotted line shows the catalyzed reaction. Which graph best illustrates the changes in a reaction when the catalyst reduces the amount of energy required?

a)
b)
c)
d)
37.

What will most likely happen if an appropriate enzyme is added to a chemical reaction?

a)

The reaction rate will increase.

b)

The equilibrium of the reaction will be maintained.

c)

The reaction rate will decrease.

d)

The reaction will stop.

38.

The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements?

a)

Enzymes function best at a specific temperature.

b)

The body needs to be warm to prevent hypothermia.

c)

The body is kept relatively warm to prevent too much enzyme action.

d)

There is no connection between the two statements.

39.

In a chemical reaction, the chemicals on the left side of a reaction arrow (________ --> _________) are called A:___ and the the chemicals on the right side are called B: ____

a)

A: Products; B: Ingredients

b)

A: Ingredients; B: Products

c)

A: Reactants; B: Ingredients

d)

A: Reactants; B: Products

40.

Which are examples of Nucleic Acids?

a)

glucose, pasta, bread

b)

fats, oils, waxes

c)

meats, enzyme, lactase, eggs

d)

DNA, RNA

41.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
42.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusablility
b)
denaturation
c)
specificity
d)
fragility
43.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
44.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
45.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
46.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
47.
An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 
a)
true
b)
false
48.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
49.
What is another name for enzymes?
a)
chemical catalysts
b)
microorganisms
c)
biological catalysts
d)
inorganic catalysts
50.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
51.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
52.
What is structure A?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
53.
What is structure D?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
54.
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 .
55.

Which 2 factors can affect the rate of enzyme activity?

a)

Light intensity

b)

Temperature

c)

pH

d)

Oxygen concentration

56.
What is structure E, F, G?
a)
Substrate
b)
Active site
c)
Enzyme
d)
Products
57.

Based on the graph, what temperature does this enzyme work best?

a)

15 C

b)

40 C

c)

30 C

d)

50 C

58.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die

b)

The shape of the enzyme changes as it denatures

c)

The enzymes become more active

d)

The enzymes remain the same

59.

Which of the following denatures an enzyme?

a)

High Temperatures

b)

Incorrect pH

c)

Both

60.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusable
b)
catalyst
c)
specificity 
d)
fragile
61.
Which organelle is only found in a plant cell? 
a)
nucleus
b)
chloroplast
c)
mitochondria
d)
cell membrane
62.
Where is DNA stored in a cell? 
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
63.
What is the fluid inside a cell called? 
a)
Endoplasimic Reticulum
b)
Orange Juice
c)
Water
d)
Cytoplasm
64.
This organelle helps plants keep their rigid structure. 
a)
Cell wall
b)
Cell membrane
c)
Chloroplast
d)
Nucleus
65.
The green pigment in plants is due to the presence of 
a)
chlorophyll
b)
Chlorine
c)
Chlorophyta
d)
chromatophores
66.
When using the microscope, you should always start with this objective lens
a)
low power
b)
high power
67.
Controls what enters and leaves the cell
a)
Cell Membrane
b)
Ribosome
c)
Chloroplast
d)
Vacuole
68.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
69.
Permeable means
a)
things can pass through
b)
the concentration levels are different
c)
it is permanent
d)
things are stuck
70.
If there is 5 percent water inside a cell and 5 percent water outside a cell
a)
more water will move inside the cell
b)
more water will move outside the cell
c)
There will be no movement of water cells
71.
A group of the same type of cells that work together for a purpose are called -
a)
 a tissue
b)
an organ
c)
an organ system
d)
an unicellular organism
72.
A group of different tissues working together is - 
a)
an organ
b)
an organ system
c)
a   prokaryote
d)
a cell
73.
The levels of organization from the simplest to the most complex are
a)
Cells, tissues, organs, organ systems, organism
b)
Organisms, organs, tissues, cells, organ systems
c)
Cells, organs, organ systems, tissues, organism
d)
Tissues, cells, organs, organism
74.
Two examples of organ systems in the human body are - 
a)
digestive system and respiratory system
b)
circulatory system and fluid system
c)
blood system and food system
d)
nervous system and stomach system
75.
Which statement is correct?
a)
A group of organs work together to form an organ system
b)
Tissues that have the same function form an organ system
c)
Cell that have the same function form an organ
d)
Organ systems working together form a tissue
76.
Which instrument is credited for helping scientists develop cell theory?
a)
 the microscope
b)
a hand lens
c)
an electronic balance
d)
a thermometer
77.
Which of these can only be found in a plant cell?
a)
 A nucleus
b)
A vacuole
c)
A chloroplast
d)
A mitochondrion
78.
Every organ is made up of one or more: 
a)
Organ Systems
b)
Tissues
c)
Muscles
d)
Bones
79.
Which type of tissue is responsible for the movement of body parts?
a)
Connective
b)
Muscle
c)
Nervous
d)
Epithelial
80.

which is NOT an example of an organelle?

a)

mitochondrion

b)

nucleus

c)

heart

d)

cell membrane

81.

Who looked at living organisms in dental scrapings and pond water, and became known as "the father of microbiology?"

a)

Rudolf Virchow

b)

Anton van Leeuwenhoek

c)

Matthias Schleiden

d)

Theodor Schwann

82.

Who came up with the name "cells" while looking at a slice of cork under a microscope?

a)

Matthias Schleiden

b)

Anton van Leeuwenhoek

c)

Robert Hooke

d)

Rudolf Virchow

83.

In 1838, who was the German botanist that found that all plants were made of cells?

a)

Matthias Schleiden

b)

Theodor Schwann

c)

Rudolf Virchow

d)

Robert Hooke

84.

In 1839, who was the German physician that added to the cell theory by finding all animals were made of cells?

a)

Anton van Leeuwenhoek

b)

Robert Hooke

c)

Matthias Schleiden

d)

Theodor Schwann

85.

Which German scientist published findings that all cells come from existing cells?

a)

Theodor Schwann

b)

Rudolf Virchow

c)

Matthias Schleiden

d)

Robert Hooke

86.

What is NOT a part of cell theory:

a)

all cells come from existing cells

b)

all cells have a nucleus

c)

all living things are made of cells

d)

cells are basic unit of structure and function in living things

87.

Prokaryotes are

a)

bacteria

b)

fungi

c)

plants

d)

animals

88.

Prokaryotic cells do NOT have membrane bound organelles or ______________________________.

a)

cytoplasm

b)

a nucleus

c)

ribosomes

d)

DNA

89.

Eukaryotes include fungi, plants, animals, and....

a)

bacteria

b)

protists

c)

archaebacteria

d)

eubacteria

90.

In eukaryotic cells DNA is primarily contained within the:

a)

cytoplasm

b)

ribosomes

c)

vacuoles

d)

nucleus

91.

Of the two types of cells, which one is smaller and more simplistic?

a)

prokaryotic cells

b)

eukaryotic cells

92.

All cells have a cell membrane, cytoplasm, DNA, and...

a)

cell wall

b)

nucleus

c)

ribosomes

d)

chloroplast

93.

The interior contents of the cell (except for the nucleus):

a)

nucleolus

b)

cytoplasm

c)

cell wall

d)

cell membrane

94.

Structures that have different jobs within the cell:

a)

antibodies

b)

lipids

c)

organelles

d)

blood cells

95.

Structure in the cell made of protein and RNA, used for protein synthesis...(found in all cells)

a)

nucleus

b)

cell membrane

c)

cytoplasm

d)

ribosomes

96.

What kind of microscope (seen here) is common in classrooms, uses light to shine through a sample, with a maximum magnification of about 1000 to 1500x?

a)

Dissecting microscope

b)

Compound light microscope

c)

Scanning Electron Microscope (SEM)

d)

Transmission Electron Microscope (TEM)

97.
Directs all cell activities through the DNA located there.
a)
Lysosomes
b)
Nucleus
c)
ribosomes
d)
Mitochondria
98.

The outermost layer of a plant cell and animal cell is...

a)

Plant cell - cell membrane, animal cell - cell wall

b)

Plant cell - cell wall; animal cell - cell membrane

c)

Plant and animal cell - cell wall

d)

Plant and animal cell - cell membrane

99.

The majority of the plasma membrane is composed of ______.

a)

phospholipids

b)

proteins

c)

carbohydrates

d)

cholesterol

100.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
101.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
102.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
103.
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
104.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
105.
What bonds the nitrogen bases in the center of the DNA strand?
a)
Covalent Bonds
b)
Ionic Bonds
c)
Hydrogen Bonds
d)
Metallic Bonds
106.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
107.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
108.
In a sample of DNA, 20 percent is Adenine. What are the percentages of the other bases?
a)
Thymine - 30 percent, Cytosine 25 percent, Guanine 25 percent
b)
Cytosine - 20 percent, Thymine - 30 percent, Guanine 25 percent
c)
Thymine - 20 percent, Cytosine 30 percent, Guanine 30 percent
d)
Thymine - 30 percent, Cytosine 30 percent, Guanine 20 percent
109.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
110.
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
111.
What is the relationship between a protein, the cell, and DNA?
a)
DNA is produced by protein which is produced in the cell
b)
Protein is composed of DNA which is produced in the cell
c)
DNA controls the production of protein in the cell
d)
A cell is composed of DNA and protein
112.
Genes are found on...
a)
chromosomes
b)
alleles
c)
proteins
d)
anthers
113.
A change in the genetic code = ____
a)
trait
b)
genotype
c)
phenotype
d)
mutation
114.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
115.
What is the name of the subunit that builds a DNA polymer?
a)
Nucleotide
b)
Nucleic acid
c)
Nitrogenous base
d)
Nucelosome
116.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
117.
Why is the order of amino acids so important?
a)
The order of amino acids dictates what shape the protein will fold into.
b)
It is not important. The protein folding chamber will force the protein to fold into the correct shape.
118.
This nucleic acid is single stranded
a)
DNA
b)
RNA
c)
Both
119.
DNA and RNA are macromolecules in the category of
a)
Proteins
b)
Lipids
c)
Nucleic Acids
d)
Carbohydrates
120.

How many nucleotides make up a codon?

a)

1

b)

3

c)

5

d)

15

121.

How many codons: AAU GCG AUG

a)

9

b)

1

c)

3

d)

15

122.

How many nucleotides? AAU GCG AUG

a)

9

b)

3

c)

1

d)

15

123.
ATCAGTGAT A codon is a sequence of three nucleotides that code for an amino acid. If the DNA sequence shown here goes through transcription and translation, how many amino acids will result from this sequence?
a)
5
b)
4
c)
2
d)
3
124.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

125.
Which Seq could be found in RNA?
a)
ACCTGT
b)
CGCATT
c)
AUGCUU
126.
The codon CCU codes for what amino acid?
a)
Isoleucine
b)
Stop
c)
Methionine
d)
Proline
127.
Which amino acid pairs with the codon AGA
a)
Thr
b)
Arg
c)
Ala
d)
Glu
128.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
129.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
130.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
131.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
132.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
133.
Genes are found on...
a)
chromosomes
b)
alleles
c)
proteins
d)
anthers
134.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
135.
What is the difference between DNA and RNA in terms of bases?
a)
RNA contains uracil in place of thymine
b)
RNA contains uracil in place of adenine
c)
RNA contains uracil in place of guanine
d)
RNA contains uracil in place of  cytosine
136.
RNA has how many strands?
a)
one
b)
two
137.

Identify.

a)

DNA

b)

mRNA

c)

rRNA

d)

tRNA

138.

Identify.

a)

DNA

b)

mRNA

c)

rRNA

d)

tRNA

139.

Identify.

a)

DNA

b)

mRNA

c)

tRNA

d)

rRNA

140.

Where does transcription occur?

a)

Cytoplasm

b)

Mitochondria

c)

Nucleus

d)

ER

141.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
142.
In eukaryotes, functional messenger RNA molecules are made from
a)
exons spliced together after introns are removed
b)
introns spliced together after eons are removed
c)
exons spliced together with introns
d)
long pieces of RNA shortened by the Dicer enzyme
143.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
144.

Carries the amino acid used to make a protein

a)

mRNA

b)

rRNA

c)

tRNA

145.

Factory for making a protein

a)

mRNA

b)

rRNA

c)

tRNA

146.
What is the product of transcription?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
147.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
148.

What type of RNA is shown in this image?

a)

rRNA

b)

mRNA

c)

tRNA

149.

What type of RNA is shown in this image?

a)

rRNA

b)

mRNA

c)

tRNA

150.

This image shows a picture of a ribosome - what type of RNA is this?

a)

rRNA

b)

mRNA

c)

tRNA

151.

Three consecutive nucleotides on a mRNA molecule

a)

Translation

b)

Transcription

c)

anticodon

d)

codon

152.

Three consecutive nucleotides on a tRNA molecule

a)

Translation

b)

Transcription

c)

anticodon

d)

codon

153.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
154.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
155.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
156.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
157.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
158.
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
159.
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
160.
Which organelle is DNA usually found in?
a)
cell membrane
b)
vacuole
c)
chloroplast
d)
nucleus
161.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
162.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
163.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
164.
What is the correct complimentary strand for the following DNA?ATCGAG
a)
TACGAG
b)
ATCGAG
c)
TAGCTG
d)
TAGCTC
165.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
166.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
167.
What is responsible for holding the two strands of the DNA double helix together?
a)
hydrogen bonds
b)
alleles
c)
London dispersion forces
d)
deoxyribose sugars
168.
Which enzyme is responsible for adding nucleotides ("The Builder")?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
169.
Why is it crucial that living things are able to replicate their DNA?
a)
Each cell must have its own DNA
b)
Less copies of DNA are needed when a new cell is created
c)
A cell needs multiple copies of DNA
d)
Only muscle cells need DNA 
170.
The DNA is found in the nucleus of what type of organisms?
a)
Bacteria
b)
Eukaryotes
c)
Prokaryotes
d)
Viruses
171.

What is the name of the place where the double helix is unwound?

a)

Replication Fork

b)

The Y zone

c)

Open Sesame

d)

Replication Spoon

172.

The two strands of DNA are

a)

Parallel

b)

Antiparallel

c)

Perpendicular

d)

At Right Angles

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