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WorksheetsBioquiz 10
Total questions: 53
Worksheet time: 32mins
Name
Class
Date
1.
If there is 20 percent adenine in a cell how much guanine is there
a)
30 percent
b)
20 percent
c)
60 percent
d)
80 percent
2.
Which process is used to make mRNA from the DNA in the nucleus?
a)
transcription
b)
translation
c)
replication
3.
Which RNA bases would pair with TACGAA in transcription?
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
4.
In DNA replication, which enzyme is responsible for building the new DNA strand?
a)
helicase
b)
polymerase
c)
ligase
d)
primase
5.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
6.
What process is being shown here?
a)
Replication
b)
Translation
c)
Transcription
7.
True or false: RNA is double-stranded.
a)
true
b)
false
c)
it depends on the type
8.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
9.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
10.
Translation takes place in the
a)
ribosome
b)
chloroplast
c)
nucleus
d)
mitochondria
11.
Brings the amino acids to the ribosome
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
12.
What would be the tRNA anticodon for the mRNA codon CAG?
a)
GTC
b)
GUC
c)
CUG
d)
CAG
13.
Which phase of which process does this picture show?
a)
Transcription
b)
Translation
c)
Replication
14.
The codon is located on the
a)
DNA
b)
mRNA
c)
tRNA
d)
rRNA
15.
Where does transcription take place?
a)
ribosome
b)
cytoplasm
c)
nucleus
d)
protein
16.
When DNA is copied into mRNA it is called
a)
protein synthesis
b)
translation
c)
transcription
d)
replication
17.
Which nucleic acid is single stranded?
a)
RNA
b)
DNA
18.
Which nitrogen base pairs with T in mRNA?
a)
A
b)
U
c)
C
d)
G
19.
Which enzyme is needed to bring free nucleotides to create a new strand of DNA in DNA replication?
a)
DNA helicase
b)
DNA ligase
c)
DNA replicase
d)
DNA polymerase
20.
Which enzyme is needed to unwind and unzip the double helix in order to make a copy of it?
a)
DNA helicase
b)
DNA ligase
c)
DNA replicase
d)
DNA polymerase
21.
The mRNA codon UGA would correspond with which tRNA anticodon?
a)
ACT
b)
ACU
c)
UCU
d)
ACA
22.
A three base code for an amino acid is called a/an
a)
nucleotide
b)
deoxyribose sugar
c)
codon
d)
phosphate
23.
A nitrogen base, sugar and phosphate make up a unit that connects together to make a nucleic acid. This unit is called a/an
a)
amino acid
b)
nucleotide
c)
hydrogen bond
d)
nucleus
24.
A long chain of amino acids is a/an
a)
protein
b)
nucleic acid
c)
tRNA
d)
mRNA
25.
If a DNA molecule contains 44% for A and T combined, how much G will be present?
a)
66%
b)
56%
c)
28%
d)
22%
26.
If a DNA molecule contains 15% A, how much C and G will be present?
a)
15%
b)
30%
c)
60%
d)
70%
27.
Where does transcription take place?
a)
ribosome
b)
cytoplasm
c)
nucleus
d)
protein
28.
There are ____ possible codon combinations that code for ____ possible amino acids.
a)
20/64
b)
16/64
c)
64/20
d)
64/9
29.
Where does mRNA meet up with tRNA to translate the code into amino acids?
a)
ribosome
b)
nucleus
c)
cytoplasm
d)
ribose sugar
30.
tRNA carries an anticodon on one side and a/an __________ on the other side.
a)
amino acid
b)
nucleic acid
c)
protein
d)
mRNA codon
31.
Which of the following is not one of the structures that make up DNA?
a)
mitochondria
b)
Nitrogen-containing base
c)
sugar
d)
phosphate
32.
Which shows the correct base-pairing rules?
a)
A-C, G-T
b)
A-T, G-C
c)
C-T, G-A
d)
A-C, T-C
33.
DNA is made up of a long chain of___
a)
amino acids
b)
proteins
c)
nucleotides
d)
carbohydrates
34.
What is the matching DNA strand to ATTAG
a)
UAAUC
b)
CAACT
c)
GAAGC
d)
TAATC
35.
The order of As Ts Cs Gs on DNA ultimately determine which ____is made
a)
gene
b)
protein
c)
chromosome
d)
ATP
36.
Who is given the majority of the credit for discovering the overall structure of DNA?
a)
Rosalind Franklin
b)
Gregor Mendel
c)
Watson and Crick
d)
Chargaff
37.
What is included in the backbone of DNA?
a)
nitrogen bases and sugar
b)
nucleotides and sugar
c)
sugar and phosphate
d)
nitrogen base and phosphate
38.
What is the overall shape of DNA
a)
single strand
b)
straight ladder
c)
double helix
d)
circle
39.
Process of DNA making a copy of itself before cell division is called
a)
transcription
b)
mitosis
c)
replication
d)
translation
40.
DNA replication happens during
a)
mitosis
b)
S phase
c)
G1 phase
d)
G2 phase
41.
Mistakes in the replication process are called
a)
helicase
b)
mutations
c)
carcinogens
d)
polymerase
42.
The enzyme that brings in correct free floating nucleotides and creates bonds between them is
a)
polymerase
b)
helicase
c)
catalase
d)
synthase
43.
What is a portion of a DNA molecule which contains the instructions for the building of a single protein?
a)
Gene
b)
Allele
c)
Codon
d)
Chromosome
44.
Which molecule is created during TRANSCRIPTION?
a)
DNA
b)
tRNA
c)
mRNA
d)
Proteins
45.
Which enzyme constructs the mRNA during TRANSCRIPTION?
a)
RNA Polymerase
b)
DNA Helicase
c)
DNA Ligase
d)
DNA Polymerase
46.
On which molecule will you find an ANTICODON?
a)
rRNA
b)
tRNA
c)
mRNA
d)
DNA
47.
A codon on an mRNA molecule is made up of ________ nitrogen bases.
a)
1
b)
2
c)
3
d)
4
48.
The image below is a ______________________ subunit of DNA.
a)
Amino acid
b)
Triglyceride
c)
Nucleotide
d)
Monosaccharide
49.
Adenine and Guanine are double ringed nitrogen bases known as ___________________.
a)
Pyrimidines
b)
Purines
50.
How many CODONS are needed to signal SIX amino acids?
a)
18
b)
12
c)
3
d)
6
51.
How many NITROGEN BASES are needed to signal SIX amino acids?
a)
18
b)
12
c)
3
d)
6
52.
Which process allows the "genetic message" to leave the nucleus?
a)
Replication
b)
Transcription
c)
Translation
d)
Phosphorylation
53.
Which process uses the enzyme DNA Helicase to unwind and unzip a molecule of DNA?
a)
Replication
b)
Transcription
c)
Translation
d)
Both replication and transcription
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