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WorksheetsDNA, RNA & Protein Synthesis Test Review
Total questions: 27
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
Why is DNA important? Pick the best answer.
a)
It makes bacteria proteins
b)
it serves as the universal blueprint for traits for humans.
c)
it serves as the universal blueprint for traits of all living things
d)
it serves as the universal blueprint for traits for animals only.
2.
The sequence of mRNA is AGUACA. Which of these is the sequence of tRNA?
a)
UCAUGU
b)
AGTACA
c)
AGUACA
d)
TCATGT
3.
Which of the following identifies the processes correctly?
a)
X;Translation; Y:Replication; Z:Transcription
b)
X:Replication; Y:Transcription; Z:Translation
c)
X:Transcription; Y:Replication; Z:Mutation
d)
X:Replication; Y:Mutation; Z:Translation
4.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
5.
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
6.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
7.
order of replication
a)
3, 2, 1, 4
b)
2, 1, 4, 3
c)
2, 3, 1, 4
d)
3, 4, 1, 2
8.
What is the correct amino acid for the following codon:
AUG
AUG
a)
Val
b)
Met
c)
Tyr
d)
Gly
9.
AUG is the mRNA codon for the amino acid methionine in humans. Which of the following statements is true
a)
AUG does not code for methionine in plants.
b)
AUG does not code for methionine in bacteria.
c)
Only in humans is AUG the code for methionine.
d)
AUG is the code for methionine in humans, plants, and bacteria.
10.
While doing research in the Amazon Janice found a toxin in a rare flower that when eaten binds to DNA in the bodies of animals that consumed it. The binding of the toxin to DNA blocks replication, so it directly interferes with the ability of an animal cell to do which of the following?
a)
The conversion of genetic code into a protein.
b)
The production of genetic material used by ribosomes to create proteins.
c)
The transfer of protein-building instructions from the nucleus to the cytoplasm.
d)
The production of genetic material that is identical to genetic material of the cell.
11.
The main function of the process that is pictured is to...
a)
provide an exact copy of the genetic code
b)
ensure genetic variation in a species
c)
synthesize cellular proteins
d)
produce antibodies to combat disease
12.
Genes for medically important proteins can be cloned and inserted into bacteria, as shown in the diagram. Why can bacteria recognize a human gene and then produce a human protein?
a)
DNA replication in bacteria and humans is the same.
b)
Bacterial cells contain the same organelles as human cells.
c)
The basic components of DNA are the same in humans and bacteria.
d)
Bacterial cells and human cells contain the same kind of chromosomes.
13.
The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment?
a)
4
b)
8
c)
12
d)
20
14.
Four different segments of a DNA molecule are represented below. There is an error in the DNA in which molecule?
a)
1 only
b)
3 only
c)
2 and 3
d)
2 and 4
15.
The process of DNA replication is called semi conservative because it results in
a)
none of these
b)
Two DNA molecules. One original molecule and one with two new strands
c)
two exact copies with new strands
d)
two identical molecules, each with 1 original strand and one new.
16.
A double-helix DNA strand is held together by a _____________ bond
a)
Carbon
b)
Nitrogen
c)
Oxygen
d)
Hydrogen
17.
One difference between DNA and RNA is that....
a)
Only RNA has the base Uracil
b)
only RNA contains the base Thymine
c)
only RNA contains the base Cytocine
d)
only RNA contained the base Guanine
18.
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 makes RNA which produces protein in the cell
d)
A cell is composed of DNA and protein
19.
This image shows that DNA Replication is _______.
a)
Conservative
b)
Semiconservative
c)
Dispersive
d)
Spontaneous
20.
In the diagram strand I and II represent portions of DNA molecule. Strand II would normally include...
a)
AGC
b)
TCG
c)
TAC
d)
GAT
21.
Which choice describes DNA after replication has taken place?
a)
one molecule with two original strands and one molecule with two new strands
b)
two molecules, each with one original and one new strand
c)
two molecules, each with two new strands
d)
two molecules, each with two old strands
22.
The table below gives the codons found in messenger RNA (mRNA). A scientist extracted a protein fragment from a cell. The fragment had the amino acid sequence: Met-Glu. Which of the following is a possible sequence that is associated with this protein fragment?
a)
TACCTC
b)
UACCUC
c)
ATGGTG
d)
AUGGUG
23.
What is the end result of replication?
a)
Two new identical strands of DNA
b)
One parent strand and one daughter strand of DNA
c)
Two new and different strands of DNA
d)
One new strand of DNA
24.
What are the 4 nitrogen bases used in DNA?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, uracil, cytosine, and guanine
d)
adenine, thymine, cytosine, and glucose
25.
What process is taking place?
a)
Transcription
b)
Translation
c)
Replication
d)
Transfering
26.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
27.
What are the 4 nitrogen bases of RNA?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, uracil, cytosine, and guanine
d)
adenine, thymine, cytosine, and glucose
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