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DNA and Protein Synthesis

Total questions: 50

Worksheet time: 13hrs 30mins

Name
Class
Date
1.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

2.

During transcription, this type of ribonucleic acid is responsible for copying the DNA and brining it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

3.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

4.

mRNA occurs during this process

a)

Translation

b)

Transcription

c)

Replication

d)

Delivery

5.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

6.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
7.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
8.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
9.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
10.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
11.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

12.

Which organelle contains rRNA and reads the mRNA to synthesize a protein?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

13.

What brings the amino acids to the ribosome to assemble a protein?

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

14.

How many nucleotides code for 1 amino acid?

a)

1

b)

2

c)

3

d)

4

15.

What is the location in the cell for translation?

a)

Cytoplasm

b)

Nucleus

c)

Lysosome

d)

Golgi apparatus

16.

Units of 3 nucleotide bases in mRNA which code for a single

amino acid.

a)

Mitosis

b)

Base Pairing

c)

Anti codon

d)

Codon

17.

The molecule DNA contains the four bases listed below.

A – adenine

C – cytosine

G – guanine

T – thymine

Which base pairings normally occur during DNA replication?

a)

Guanine pairs with cytosine. Thymine pairs with thymine.

b)

Adenine pairs with thymine. Cytosine pairs with guanine.

c)

Thymine pairs with guanine. Cytosine pairs with adenine.

d)

Cytosine pairs with cytosine. Thymine pairs with thymine.

18.

The instructions for the genetic traits of an organism are directly determined by the

a)

numbers of A, T, C, and G units in a sugar molecule

b)

sequence of bases in DNA molecules

c)

length of a DNA molecule

d)

way the bases are paired in the two strands of a DNA molecule


19.

Which statement is an accurate description of genes?

a)

Proteins are made of genes and code for DNA.

b)

Genes are made of proteins that code for nitrogen bases

c)

DNA is made of carbohydrates that code for genes.

d)

Genes are made of DNA and code for proteins.

20.
What happens during transcription?
a)
DNA is made into amino acids
b)
DNA is made into mRNA
c)
DNA is made into a protein
21.
Which of the following bases is found only in RNA?
a)
Adenine
b)
Guanine
c)
Thymine
d)
Uracil
22.
Where are codons located?
a)
tRNA
b)
DNA
c)
mRNA
23.

What is the structure shown in the image?

a)

tRNA

b)

mRNA

c)

rRNA

d)

xRNA

24.

Which codon below is the code for Leucine?

a)

UUA

b)

UUC

c)

AUU

d)

CUA

25.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
26.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA?
a)
 Met-Pro-Val-Stop
b)
Met-Pro-Arg-Stop
c)
 Tyr-Gly-His
d)
Tyr-Gly-Arg-His
27.

Which of the following make up a nucleotide?

a)

Sugar, phosphate, and base

b)

Sugar, nitrate, and base

c)

Lipid, phospate, and sugar

d)

Protein, phosphate, and base

28.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
29.

Choose the sequence of the mRNA strand that would be match up with to the following strand:

GTAGTCA

a)

UATUAGA

b)

ACGACTG

c)

CAUCAGU

d)

CATCAGT

30.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
31.

AUG

a)

Arginine

b)

Serine

c)

Lysine

d)

Threonine

e)

Methionine

32.

If the DNA sequence of a gene is TAC CCC GGA GAG, what mRNA sequence will be produced in transcription?

a)

RNA Polymerase

b)

AUG GGG CCU CUC

c)

ATG GGG GGT GTG

d)

AUG GGG CCU CUG

e)

AUG CCG GCA CGG

33.

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

34.

Which of the following would result in a frameshift mutation?

a)

Insertions only

b)

Substitution only

c)

Deletion only

d)

Insertions and Deletions

35.

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

36.

ATTTGAGCC- Original

ATTGAGCC - Mutated

The example above is an example of a

a)

Insertion- Frameshift

b)

Deletion- Substitution

c)

Deletion -Frameshift

d)

All of the above

37.

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

38.

Which type of mutation does the model demonstrate?

a)

Deletion

b)

Substitution

c)

Insertion

d)

Translocation

39.

Which mutation will cause translation to stop?

a)

Mutations 1 and 3 only

b)

Mutation 1 only

c)

Mutation 2 only

d)

Muations 1, 2, 3

40.

DNA stands for

a)

Dioxyribo Nucleic Acid

b)

Dunder Nucleic Acid

c)

Dopamine Nucleic Acid

d)

Deciduous Nucleic Acid

41.

What are the parts of a nucleotide?

a)

phosphate, sugar, base

b)

A, T, G, C

c)

Nucleic Acids

d)

two base pairs connected

42.

Which of the following is correctly matches: ATT GTA CGA

a)

TAA CAT GCT

b)

ATT GTA CGA

c)

TAA GTA TCG

d)

GCC ACG TAC

43.

What do genes do?

a)

make proteins

b)

store energy

c)

create covalent bonds

d)

create hydrogen bonds

44.

DNA is shaped in a:

a)

double helix

b)

tightly packed swirl

c)

twisted ladder

d)

nucleotide

45.

antiparallel stands of nucleotides run in:

a)

opposite directions

b)

the same direction

c)

base pairs

d)

chromosomes

46.

What is the mRNA sequence for the following DNA sequence?

TAC TCC GCG ATC

(a)  

47.

Imagine a DNA mutation that substitutes one nucleotide with another. The resulting mRNA codon changed from UAC to UAA. Use the Universal Genetic Code wheel. What type of point mutation is this?

a)

silent point mutation

b)

missense point mutation

c)

nonsense point mutation

48.
The diagram shows the process of
a)
Transcription
b)
Translation
c)
Replication
d)
Mitosis
49.

What protein is UCC

a)

Ser

b)

STOP

c)

Thr

d)

Tyr

50.

A permanent change in the DNA sequence

which can affect a single gene or group of genes

a)

Homeostasis

b)

Somatic Cell

c)

Chromosomal Mutation

d)

Gene Mutation

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