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WorksheetsDNA RNA
Total questions: 32
Worksheet time: 17mins
Name
Class
Date
1.
Replicate the following strand of DNA:
AATCATGGA
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
2.
Where does DNA replication take place?
a)
Nucleus
b)
Ribosome
c)
Cytoplasm
d)
Golgi Body
3.
Before the cell divides, what process needs to happen?
a)
Transcription
b)
Translation
c)
Replication
d)
Protein synthesis
4.
Where does transcription take place?
a)
nucleus
b)
ribosome
c)
cytoplasm
d)
smooth ER
5.
The process of making mRNA from DNA is called.
a)
Replication
b)
Transcription
c)
Translation
d)
Protein synthesis
6.
A triplet of mRNA is called a
a)
codon
b)
anticodon
c)
amino acid
d)
peptide bond
7.
The anticodon is located on
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
8.
The codon is located on the
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
9.
Which molecule brings the amino acid to the ribosome?
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
10.
Where does translation take place?
a)
Nucleus
b)
Ribosome
c)
Golgi Body
d)
Cytoplasm
11.
Protein synthesis takes place in two parts:
a)
Transcription then translation
b)
Replication then transcription
c)
Translation then transcription
d)
Replication then translation
12.
In DNA which is a correct base pairing?
a)
A with G
b)
G with T
c)
A with U
d)
A with T
13.
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
14.
What is the relationship between a protein, a cell, and DNA?
a)
DNA -> Protein -> RNA
b)
Protein -> RNA -> DNA
c)
RNA -> DNA -> Protein
d)
DNA -> RNA -> Protein
15.
mRNA stands for
a)
my RNA
b)
messenger RNA
c)
mitosis RNA
d)
mutated RNA
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.
The building blocks of DNA & RNA consisting of a five-carbon sugar, a phosphate group, and a nitrogen-containing base.
a)
Genetics
b)
Replication
c)
Nucleotides
18.
After DNA is unzipped in the nucleus, this is the enzyme that binds to a specific section where an mRNA will be synthesized.
a)
RNA Polymerase
b)
DNA Polymerase
19.
The five carbon sugar found in DNA
a)
Ribose
b)
Deoxyribose
c)
Glucose
20.
The five carbon sugar found in RNA
a)
Ribose
b)
Deoxyribose
c)
Glucose
21.
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
22.
In messenger RNA, each codon specifies a particular...
a)
Nucleotide
b)
Enzyme
c)
Amino Acid
d)
Promoter
23.
During which stage of the cell cycle does chromosome replication occur?
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Anaphase
24.
The number of nitrogen bases in a codon is ....
a)
2
b)
3
c)
4
d)
6
25.
The process of making proteins on the ribosome based on instructions from messengerRNA is called...
a)
Transcription
b)
Translation
c)
Replication
d)
Transformation
26.
A substance that can cause a change in the DNA code of an organism is called a ....
a)
Tumor
b)
Nucleotide
c)
Mutagen
d)
Nitrogen Base
27.
A single-base mutation in a DNA sequence that is GTCATA would be...
a)
GTCTTA
b)
GGTTCCAATTAA
c)
GTCCCT
d)
ATACTG
28.
Changes in DNA sequences that affect genetic information are known as...
a)
Replication
b)
Mutations
c)
Transformation
d)
Translation
29.
The bonds that hold the two strands of DNA together come from...
a)
the attraction of phosphate groups
b)
strong bonds between bases and sugars
c)
carbon to carbon bonds in the sugar
d)
weak hydrogen bonds between the bases
30.
Which type of RNA brings the information in the genetic code form the nucleus to other parts of the cell?
a)
rRNA
b)
tRNA
c)
mRNA
d)
RNA polymerase
31.
A mutation that involves one or a few nucleotides is called
a)
an inversion
b)
a duplication
c)
a point mutation
d)
a translocation
32.
What is the relationship between a protein, a cell and DNA?
a)
DNA is probduced by protein which is prod. in cell
b)
Proteins are composed of DNA which is prod. in cell
c)
DNA controls the prod. of proteins in a cell
d)
A cell is composed only of DNA and protein
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