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WorksheetsDNA, RNA Structure and Protein Synthesis
Total questions: 31
Worksheet time: 1hrs 24mins
Name
Class
Date
1.
Within the eukaryotic cell, where does transcription occur?
a)
Nucleus
b)
Cytoplasm
c)
Ribosome
2.
Within the cell, where does translation occur?
a)
Nucleus
b)
Cytoplasm
c)
Ribosome
3.
Which of the following bases is found only in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Uracil
4.
Which form of RNA carries amino acids from the cytoplasm to the ribosome?
a)
amino RNA
b)
ribosomal RNA
c)
transfer RNA
d)
messenger RNA
5.
What are the three base segments of mRNA called?
a)
anticodons
b)
codons
c)
triplets
6.
Transcribe the following sequence of DNA into RNA:
AAG CTT TGC
AAG CTT TGC
a)
TTC GAA ACG
b)
UUC GAA ACG
c)
TTC GUU UCG
d)
UUC GUU UCG
7.
What is the monomer of DNA and RNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
monosaccharide
8.
Which of the following would be a DNA nucleotide?
a)
phosphate, deoxyribose, uracil
b)
phosphate, deoxyribose, thymine
c)
phosphate, ribose, uracil
d)
phosphate, ribose, thymine
9.
What would be the complementary DNA strand for the following nucleotide sequence?
TCG ATA CGA
TCG ATA CGA
a)
AGC ATA GCT
b)
AGC TAT GCT
c)
AGC UAU GCU
d)
UGC TUT GCT
10.
Which scientist(s) built the 3D model of the DNA double helix?
a)
Watson and Crick
b)
Hershey and Chase
c)
Franklin
d)
Char gaff
11.
Which nucleotide is complementary to adenine?
a)
adenine
b)
thymine
c)
cytosine
d)
guanine
12.
DNA codes for __________ which determine ___________
a)
mRNA, tRNA
b)
mRNA, ribosomes
c)
proteins. traits
d)
proteins, peptide bonds
13.
Which correctly outlined the central dogma
a)
DNA --> mRNA --> rRNA
b)
DNA --> tRNA --> protein
c)
DNA --> mRNA --> protein
d)
DNA --> amino acid --> protein
14.
What is the difference between DNA and RNA
a)
DNA has uracil and RNA has thymine
b)
DNA is involved in transcription and RNA is involved in translation
c)
DNA contains thymine and RNA contains uracil
d)
DNA is made of nucleotides and RNA is not
15.
What will be the resulting mRNA from this DNA sequence:
GAT-TAC-AGA-TTA-CAT?
GAT-TAC-AGA-TTA-CAT?
a)
CTA-ATG-TCT-AAT-GTA
b)
GAU-UAG-UGA-UUA-GUT
c)
CUA-AUG-UCU-AAU-GUA
d)
CAT-ACA-TAC-ATA-TAG
16.
DNA has a ______ strand; RNA has a ______ strand.
a)
double/double
b)
double/triple
c)
double/single
d)
single/single
17.
What enzyme initiates DNA replication?
a)
DNA polymerase
b)
tRNA
c)
RNA polymerase
d)
mRNA
18.
Identify the complementary DNA strand: ATTACGAT
a)
GAAGTGCA
b)
TAATGCTA
c)
TCTUCAAA
d)
CGGCACG
19.
What is the transcribed mRNA strand for CATTAA
a)
GUAAUU
b)
GTAATT
c)
AUGGUU
d)
CATTAA
20.
The three parts of a nucleotide are
a)
mRNA, phosphate, nitrogen base
b)
nitrogen base, phosphate, sugar
c)
sugar, phosphate, mRNA
d)
mRNA, nitrogen base, sugar
21.
The rungs of the DNA molecules consist of
a)
a pair of nitrogen bases
b)
sugar and phosphate
c)
single strands
d)
single nitrogen bases
22.
Nucleotides are made up of a sugar, phosphate, and..?
a)
nitrogenous base
b)
nucleic acid
c)
cholesterol
d)
fatty acid
23.
Where does protein synthesis takes place?
a)
vacuole
b)
ribosome
c)
chloroplast
d)
mitochondria
24.
The process of making mRNA from DNA is called.
a)
Replication
b)
Transcription
c)
Translation
d)
Protein synthesis
25.
Which two processes are involved in protein synthesis?
a)
Replication and Transcription
b)
Replication and Translation
c)
Transcription and Translation
26.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
27.
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
28.
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
29.
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
30.
Which enzyme is responsible for adding nucleotides?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
31.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
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