WorksheetsDNA
Total questions: 61
Worksheet time: 55mins
Name
Class
Date
1.
What is a monomer of DNA and/or RNA called?
a)
Nucleotide
b)
Nitrogenous base
c)
Sugar-phosphate backbone
d)
Adenosine Triphosphate
2.
Which of these is NOT part of a nucleotide?
a)
5-carbon sugar
b)
Phosphate group
c)
Glucose
d)
Nitrogenous base
3.
How many nucleic acids does DNA consist of?
a)
1
b)
2
c)
3
d)
4
4.
Which of these nitrogenous bases is NOT in DNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
5.
Which of these nitrogenous bases is NOT in RNA?
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
6.
What type of bond holds together the sugar-phosphate backbone of DNA/RNA?
a)
covalent
b)
hydrogen
c)
ionic
d)
James
7.
What type of bond holds together the nitrogenous bases in DNA?
a)
covalent
b)
hydrogen
c)
ionic
d)
James
8.
What is the complementary base pair to Adenine in DNA?
a)
Cytosine
b)
Guanine
c)
Thymine
d)
Uracil
9.
What is the complementary base pair to Cytosine in DNA?
a)
Cytosine
b)
Guanine
c)
Thymine
d)
Uracil
10.
What is the complementary base pair to Adenine in RNA?
a)
Cytosine
b)
Guanine
c)
Thymine
d)
Uracil
11.
Where is DNA found in cells?
a)
nucleus
b)
ribosomes
c)
endoplasmic reticulum
d)
phospholipid bilayer
12.
Replicate the following strand of DNA:
AATCATGGA
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
13.
Where does DNA replication take place?
a)
Nucleus
b)
Ribosome
c)
Cytoplasm
d)
Golgi Body
14.
Before the cell divides, what process needs to happen?
a)
Transcription
b)
Translation
c)
Replication
d)
Protein synthesis
15.
RNA is different from DNA in ___
a)
RNA is single stranded
b)
RNA has uracil
c)
RNA has the sugar ribos
d)
All of these
16.
An enzyme that adds complementary nucleotides to the template strand of the unzipped double helix until the entire molecule has been replicated.
a)
RNA Polymerase
b)
Okazaki Fragments
c)
DNA Polymerase
d)
Translation
17.
What is the five carbon ring of sugar in DNA called?
a)
Deoxyribose
b)
Ribose
c)
Glucose
d)
Nucleotides
18.
The rule stating that the bases in a nucleic acid always pairs up in the same way: A=T and G=C.
a)
Replication
b)
Translation
c)
Transcription
d)
Chargaff's Rule
19.
The processes in which parental strands of DNA separate, serve as templates, and produce DNA molecules that have one strand of parental DNA and one strand of new DNA.
a)
Translation
b)
Replication
c)
Semiconservation Replication
d)
Transcription
20.
The five carbon sugar found in RNA
a)
Ribose
b)
Deoxyribose
c)
Glucose
21.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
22.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
23.
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
24.
DNA and RNA are macromolecules in the category of
a)
Proteins
b)
Lipids
c)
Nucleic Acids
d)
Carbohydrates
25.
DNA is a polymer made of monomers called
a)
Nucleotides
b)
Proteins
c)
Amino Acids
d)
Lipids
26.
Which bases are considered pyrimidines?
a)
C and T
b)
C and G
c)
A and T
d)
A and G
27.
A purine must always bond with a ...
a)
purine
b)
pyrimidine
28.
What is the RNA complementary sequence to the following DNA section: TTC GAA CTA
a)
AAG CTT GAT
b)
AAG CUU GAU
c)
TTC GAA CTA
29.
Replicate the following strand of DNA:
AATCATGGA
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
30.
Watson and Crick were the first to suggest that DNA is _____
a)
a short molecule
b)
the shape of a double helix
c)
a protein molecule
d)
the genetic material
31.
The two strands of DNA run in opposite directions. They are said to be:
a)
Antiparallel
b)
Complementary
c)
Anti-directional
d)
Weird
32.
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
33.
What has DNA?
a)
animals
b)
plants
c)
bacteria
d)
all of the above
34.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
35.
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
36.
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
37.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
38.
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
39.
Specific proteins produced in a cell are directly related to the
a)
number of mitochondria in the cell
b)
types of ribosomes in the cell
c)
sequence of sugars and phosphates in the cell
d)
sequence of nucleotides in the DNA
40.
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
41.
A segment of DNA that codes for a protein is called a...
a)
Enzyme
b)
Mutation
c)
Gene
d)
Complimentary
42.
Which of the following displays the correct order of DNA replication?
1. Sugar and phosphate groups form the side of each new strand
2. DNA unzips
3. The bases attach from a supply in the cytoplasm
4. DNA unwinds
1. Sugar and phosphate groups form the side of each new strand
2. DNA unzips
3. The bases attach from a supply in the cytoplasm
4. DNA unwinds
a)
4-2-3-1
b)
2-4-1-3
c)
2-4-3-1
d)
4-2-1-3
43.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
44.
mRNA is important, because it __________.
a)
Carries info from genes to ribosomes
b)
Carries amino acids to ribosomes
c)
Helps with RNA splicing
d)
Makes up ribosomes
45.
What is the term for a three nucleotide sequence that codes for an amino acid? For example: AUG
a)
Nitrogen base
b)
Codon
c)
Amine
d)
Phosphate group
46.
Transfer RNA (tRNA) is important because it __________.
a)
Carries amino acids to the ribosome
b)
Carries ribosomes to the ER
c)
Carries glucose to mitochondria
d)
Carries mRNA out of the nucleus
47.
Where does Translation take place?
a)
RNA
b)
ribosome
c)
nucleus
d)
chromosome
48.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
49.
Which type of RNA takes the amino acids to the ribosome?
a)
tRNA
b)
Models enable scientists to visualize mRNA
c)
Models can be adapted and changed rRNA
50.
The five carbon sugar found in RNA
a)
Ribose
b)
Deoxyribose
c)
Glucose
51.
An enzyme that breaks the hydrogen bonds holding the base pairs together as it UNWINDS and UNZIPS the double helix, allowing new nucleotides to bind to the single strands by base pairing.
a)
DNA
b)
RNA
c)
DNA Helicase
d)
RNA Helicase
52.
In messenger RNA, each codon specifies a particular...
a)
Nucleotide
b)
Enzyme
c)
Amino Acid
d)
Promoter
53.
The number of nitrogen bases in a codon is ....
a)
2
b)
3
c)
4
d)
6
54.
How many types of RNA are there?
a)
1
b)
2
c)
3
d)
4
55.
The DNA sequence ATCAGCGCTGGC is part of a gene. how many amino acids are coded for by this message?
a)
4
b)
8
c)
12
d)
20
56.
Who used X ray diffraction to better understand DNA?
a)
Franklin
b)
Watson and Crick
c)
Chargaff
d)
Mendel
57.
What amino acid is represented by the codon CAG?
a)
Aspartic Acid
b)
Histidine
c)
Glutamine
d)
Methionine
58.
From his work with mice and pneumonia-causing bacteria, Frederick Griffin coined the term
a)
Replication
b)
Transcription
c)
Transformation
d)
Translation
59.
Griffith discovered that
a)
DNA is different than RNA.
b)
adenine = thymine.
c)
bacteria can transfer DNA.
d)
DNA is the genetic molecule.
60.
Which scientist conducted tests on extracts made of bacteria to show that the genetic material in bacteria is DNA?
a)
Martha Chase
b)
Oswald Avery
c)
Frederick Griffith
d)
Alfred Hershey
61.
Who was responsible for the model shown?
a)
Oswald Avery, et. al.
b)
Watson and Crick
c)
Erwin Chargaff
d)
Linus Pauling
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