WorksheetsDNA Structure and Replication Quiz
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
2.
What makes up a nucleotide?
a)
sugar, oxygen, and nitrogen base
b)
sugar, hydrogen and nitrogen base
c)
sugar, phosphate, and hydrogen
d)
sugar, phosphate, and nitrogen base
3.
Which nitrogen base pairs with adenine?
a)
cytosine
b)
pyrimidine
c)
thymine
d)
guanine
4.
What kind of bonds connect the two strands of DNA at the nitrogen bases?
a)
hydrogen
b)
covalent
c)
ionic
d)
van der wals
5.
Which enzyme is responsible for unzipping the DNA helix during DNA Replication?
a)
helicase
b)
DNA polymerase
c)
ligase
d)
primerase
6.
If a strand of DNA reads ATTGGCCAT, what is the complementary strand?
a)
TGGTTAAGG
b)
TAACGAGGA
c)
TAACCGGTA
d)
TAACCGAAT
7.
The new molecule of DNA is referred to as __________________ because the parent strands are saved in the daughter strands.
a)
semiconservative
b)
conservative
c)
non conservative
d)
daughter molecule
8.
Antiparallel configuration means that DNA strands of one helix are…
a)
Identical to one another
b)
Both 5’ ends are next to each other and the end of the strand is the 3’ end
c)
The 5’ end of the last base of one strand is opposite the 3’ end of the last base of the complimentary strand
d)
The structure of one strand is very different from the structure of the opposite strand in the helix
9.
What enzyme is responsible for building the new DNA molecule?
a)
helicase
b)
DNA polymerase
c)
ligase
d)
primerase
10.
DNA must stay in the ________________ of the cell.
a)
cytoplasm
b)
cell membrane
c)
nucleus
d)
vacuole
11.
When does DNA Replication occur?
a)
before cell division during S phase
b)
after cell division
c)
during metaphase
d)
during G1
12.
Which strand of DNA is creating using a continuous pattern?
a)
lagging strand
b)
parent strand
c)
daughter strand
d)
leading strand
13.
How do we often describe the structure of DNA?
a)
single strand
b)
circular pattern
c)
double helix
d)
box pattern
14.
In mRNA, a three-base group that corresponds to a single amino acid is called
a)
an allele
b)
a codon
c)
an extron
d)
an intron
15.
If a DNA strand reads ATT-GGC-CAT, what is the complementary mRNA strand?
a)
UGG-UUA-AGG
b)
UAA-CGA-GGA
c)
UAA-CCG-GUA
d)
UAA-CCG-AAU
16.
What is the role of the enzyme RNA polymerase in the process of transcription?
a)
It creates a different template for new base-pairing.
b)
It transcribes DNA sequences to produce a complementary strand of RNA.
c)
It creates "start" and "stop" sequences in DNA to control transcription.
d)
None of the other answer choices
17.
Translate the following mRNA strand:
AUG-GGG-AUU-AUC.
a)
UAC-CCC-UAA-UAG
b)
methionine - glycine - isoleucine - isoleucine
c)
methionine - glycine - isoleucine - methionine
d)
TAC-CCC-TAA-TAG
18.
The decoding of an mRNA message into a protein is a process called
a)
codon
b)
segregation
c)
transformation
d)
translation
19.
An important discovery of molecular biology is the near-universal nature of the genetic code. The genetic code is universal in all of the following ways except
a)
the genetic code is expressed via gene expression.
b)
the genetic code is read in the same direction.
c)
the genetic code is read three bases at a time.
d)
the genetic code transfers information from RNA to proteins to DNA.
20.
What carries the three unpaired bases that are collectively called the anticodon?
a)
messenger RNA
b)
peptidal RNA
c)
Ribosomal RNA
d)
Transfer RNA
100 %
