WorksheetsChapter 14 Test - RNA & Proteins
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
How many strands make up a molecule of RNA?
a)
1
b)
2
c)
3
d)
4
2.
Where does translation take place?
a)
Inside the nucleus
b)
Outside of the nucleus in the ribosomes
c)
Outside of the cell membrane
d)
In the mitochondria
3.
Introns are:
a)
Pieces of genetic information that get expressed
b)
Unnecessary pieces of genetic information that get cut out of the mRNA before translation
c)
Proteins that function incorrectly due to a mutation
d)
An enzyme involved in RNA transcription
4.
What kind of bond forms between amino acids?
a)
Covalent bonds
b)
Ionic bonds
c)
Peptide bonds
d)
Hydrogen bonds
5.
The codon wheel should be read using:
a)
rRNA
b)
mRNA
c)
tRNA
d)
DNA
6.
Which molecule is shown in this picture?
a)
rRNA
b)
tRNA
c)
Ribosome
d)
Cytoplasm
7.
A three-base pair sequence on mRNA that codes for a specific amino acid:
a)
Codon
b)
Anticodon
c)
Polypeptide
d)
Mutation
8.
What is a promoter?
a)
A region upstream on the DNA sequence where RNA polymerase can bind
b)
Part of the gene that gets cut out before translation
c)
A structural component of a ribosome
d)
The molecule that contains the genetic code
9.
Substitutions are an example of:
a)
A point mutation
b)
An insertion
c)
A deletion
d)
A frameshift mutation
10.
Nonsense mutations:
a)
Make no sense
b)
Have no effect on the final protein
c)
Cause one amino acid to change to another on the chain
d)
Terminate translation by adding a stop codon too early
11.
Which kind of mutation typically has the largest impact on the final protein?
a)
Missense
b)
Frameshift
c)
Silent
d)
Substitution
12.
The process of copying DNA's genetic code into RNA is called __________________.
a)
Translation
b)
Replication
c)
Transcription
d)
Polypeptide
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