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Protein Synthesis Quiz Review

Total questions: 63

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
2.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
3.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
4.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

5.

RNA has what base that is instead of thymine?

a)

guanine

b)

adenine

c)

thymine

d)

uracil

6.

What enzyme does transcription use?

a)

DNA polymerase

b)

ligase

c)

RNA polymerase

d)

helicase

7.

Which RNA carries the message?

a)

mRNA

b)

rRNA

c)

tRNA

8.
What part of a nucleotide accounts for the genetic variation between individuals?
a)
phosphate
b)
nitrogenous base
c)
deoxyribose
d)
sugar
9.
If one strand of DNA has the sequence TTACCG, the sequence of the other strand of the same molecule will be
a)
AATGGC
b)
TTACCG
c)
AACGGC
d)
AATGGG
10.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
11.
What type of macro-molecules are DNA and RNA?
a)
Protein
b)
Carbohydrate
c)
Nucleic Acid
d)
Lipid
12.
Which of the following would be a nucleotide found in DNA
a)
Ribose + phosphate + uracil
b)
Deoxyribose + phosphate + uracil  
c)
Deoxyribose + phosphate + adenine
d)
Ribose + phosphate + adenine
13.
An RNA molecule is
a)
double helix
b)
always double stranded
c)
usually double stranded
d)
single stranded
14.
In mRNA, each codon specifies a particular 
a)
nucleotide
b)
amino acid
c)
purine
d)
pyrimidine
15.

An mRNA molecule is produced in which step of protein synthesis:

a)

replication

b)

transcription

c)

duplication

d)

translation

16.

. What are the building blocks of proteins called?

a)

nucleotides

b)

proteins

c)

amino acids

d)

carbohydrates

17.
How many bases are in one codon?
a)
1
b)
2
c)
3
d)
4
18.
Using the codon identify the amino acid sequence:
AUG-CCA-GUA-GGG-UAA
a)
MET-HIS-ALA-GLY-STOP
b)
MET-PRO-GLY-VAL-STOP
c)
MET-PRO-VAL-GLY-STOP
d)
MET-THR-SER-ASP-STOP
19.
What is the correct sequence?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
20.
What structure in a cell is the site for making proteins?
a)
ribosomes
b)
mitochondria
c)
lysosome
d)
Golgi body
21.
What is this a picture of?
a)
mRNA
b)
tRNA
c)
rRNA
d)
pRNA
22.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
23.
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
24.
Process in which amino acids are assembled into proteins at the ribosome?
a)
Translation
b)
Transcription
c)
Meiosis
d)
Replication
25.
Which structure reads the mRNA codons?
a)
Nucleus
b)
Ribosome
c)
Golgi Body
d)
Enzyme
26.
If the mRNA sequence is AGA UUU CGA GCC,
what is the complementary tRNA anticodons?
a)
AGA TTT CGA GCC
b)
UCU AAA GCU CGG
c)
TCT AAA GCT CGG
d)
UCU AAA CGA GGG
27.
Where in the cell does translation take place?
a)
Nucleus
b)
DNA
c)
Chloroplast
d)
Ribosome
28.
What type of molecule is the end product of translation?
a)
Glucose
Glucose
b)
Fatty Acid
c)
Glycogen
d)
Protein
29.

What is the correct sequence of protein synthesis?

A. tRNA brings amino acids to the ribosome

B. DNA molecules serve as the templates for mRNA.

C. mRNA molecules move to ribosomes.

D. Polypeptides are formed on ribosomes.

a)

A-B-C-D

b)

B-C-A-D

c)

C-B-A-D

d)

D-B-A-C

30.
Brings the amino acids to the ribosome
a)
mRNA
b)
tRNA
c)
rRNA
d)
DNA
31.

Overall, protein synthesis consists of these steps

a)

DNA synthesis, RNA synthesis and transcription

b)

transcription and translation

c)

DNA synthesis, transcription and translation

32.
This type of substitution codes for a stop codon
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
33.
If you are missing or have an extra base  at the end of your mutated DNA . What type of mutation occurred?
a)
Substitution
b)
Frameshift
c)
Duplication 
d)
Insertion
34.
A type of substitution in which no  amino acids change is called 
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
35.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
36.
DNA molecule segment is : TTACGCAAG
The mutated DNA segment is TTCGCAAG. This is an example of ___ mutation.
a)
Substitution
b)
Deletion
c)
Insertion
d)
Inversion
37.
mRNA is read in chunks of three, called...
a)
quadralets
b)
anticodons
c)
codons
d)
capsids
38.
What is a Gene?
a)
A segment of RNA that encodes for a protein
b)
A chromosome
c)
A segment of DNA that encodes for a protein
d)
Your genome
39.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
40.
What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A
a)
Substitution
b)
Deletion
c)
Insertion
d)
Frameshift 
41.
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
a)
deletion
b)
insertion
c)
silent
d)
transverse
42.
Are all mutations bad?
a)
Yes
b)
No
43.
Original: A A U U G G C C
Mutated: A U U U G G C C
What kind of mutation occurred?
a)
Substitution
b)
Addition
c)
Deletion
d)
Frameshift
44.
A frameshift mutation can occur with either _________ or __________ mutations.
a)
Addition, division
b)
Deletion, substitution
c)
Addition, substitution
d)
Addition, deletion
45.

DNA sequences can often be used to determine relationships between...

a)

nutritional needs

b)

organisms

c)

habitats

46.

Which type of mutation is MOST LIKELY to cause the greatest disruption?

a)

Frameshift

b)

Silent

c)

Point

47.

The monomers units of DNA and RNA are

a)

amino acids

b)

monosaccharides

c)

nucleotides

d)

fatty acids

48.

The signal that marks the end of a gene and causes transcription to stop is

a)

polymerase

b)

ligase

c)

a terminator

d)

methionine

49.

Which of the following enzymes catalyzes the linkage together of RNA nucleotides to form RNA?

a)

polymerase

b)

ligase

c)

ribozyme

d)

reverse transcriptase

50.

The RNA codon AUG means

a)

add amino acid methionine

b)

start the protein here

c)

add the amino acid tyrosine

d)

end the polypeptide chain here

51.

Experiments have demonstrated "the words" of the genetic code are

a)

single nucleotides

b)

two nucleotide sequences

c)

3 nucleotide sequences

d)

enzymes

52.

The transfer of genetic info from DNA to RNA is called

a)

translation

b)

transcription

c)

initiation

d)

elongation

53.

Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a cellular component?

a)

RNA-DNA-RNA-PROTEIN

b)

DNA-RNA-PROTEIN

c)

PROTEIN-RNA-DNA

d)

DNA-AMINO ACID-RNA-PROTEIN

54.

Translation consists of which of the following?

a)

conversion of genetic info from the language of nucleic acids to the language of proteins

b)

conversion of genetic info from DNA to RNA

c)

addition of nucleotides to a DNA template

d)

DNA replication

55.

Which of the following is required for translation to occur?

a)

energy

b)

ribosomes

c)

tRNA

d)

all of these

56.

Which of the following occurs when RNA polymerase attaches a promoter DNA?

a)

elongation of mRNA

b)

termination of mRNA

c)

initiation of a protein

d)

initiation of mRNA

57.

The info carried by DNA is in

a)

an amino acid sequence

b)

the sugars and phosphates that form the backbone

c)

the order of bases in the molecule

d)

the total number of nucleotides

58.

A gene is

a)

the same as a chromosome

b)

the info for making a polypeptide

c)

made of RNA

d)

made of protein

59.

During the process of translation, ____ matches a nucleic acid codon with the proper amino acid.

a)

a ribosome

b)

ATP

c)

polymerase

d)

mRNA

60.

A mutagen is

a)

a gene that has an altered mutation

b)

something that causes a mutation

c)

any change in a nucleotide sequence of DNA

d)

the portion of the chromosome altered by the mutation

61.

When RNA is being made, the RNA base ____ always pairs with the base ___ in DNA.

a)

U-T

b)

T-G

c)

U-A

d)

A-U

62.

tRNA plays a role in which of the following ?

a)

picking up the amino acid specified by the anticodon

b)

recognizing the appropriate codons in mRNA

c)

translating codons into amino acids

d)

all of these are correct

63.

Any change in the nucleotide sequence of a gene is called

a)

a mutation

b)

a codon

c)

a translation

d)

an anticodon

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