Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

DNA, DNA replication, Protein Synthesis

Total questions: 40

Worksheet time: 10hrs 0mins

Name
Class
Date
1.
What is the correct structure of DNA?
a)
A double strand of nucleotides 
b)
A single strand of nucleotides
c)
A double strand of amino acids 
d)
A single strand of amino acids
2.
What is the correct structure of a protein?
a)
Chains of amino acids
b)
Chains of glucoses 
c)
Chains of nucleotides
d)
Chains of fatty acids
3.
The strand: ATGTGACTA is a strand of which nucleic acid? 
a)
DNA
b)
RNA
4.
A strand of DNA is composed of 40% Adenine bases. What percent of bases must be Thymine?
a)
40%
b)
20%
c)
10%
d)
80%
5.
Which of the following is the correct monomer of DNA?
a)
A nucleotide comprised of a deoxyribose, a phosphate, and a nitrogen base
b)
An amino acid composed of a carboxyl group
c)
A fatty acid composed of glycerol and fatty acid tails
d)
A nucleotide composed of ribose, phosphate, and a nitrogen base
6.
Which of the following Base Pair Rules is incorrect for DNA? 
a)
A-T
b)
A-U
c)
C-G
d)
G-C
7.
What is the complimentary DNA strand?
A G T C G T 
a)
U C A G C A 
b)
C T G A G T 
c)
A G T C G T 
d)
T C A G C A 
8.
Why is DNA replication important?
a)
For cell division
b)
So cells can have multiple copies of DNA
c)
For cells to replace their DNA
d)
For cells to keep making DNA
9.
In the following mRNA strand: 
A G A C U A A G C 
How many codons are present?
a)
1
b)
2
c)
3
d)
4
10.
The mRNA strand 
A G A C G A 
will code for how many amino acids?
a)
1
b)
2
c)
3
d)
4
11.
DNA replication is called ______________________ because each new strand of DNA contains one new strand and one old strand. 
a)
Semiconservative
b)
Semicolon
c)
Semiproductive
d)
Semiconductive 
12.
Which of the following is an example of a point mutation? 
a)
A G A -> A C A 
b)
A G A -> A G A 
c)
A G A -> A G A G A
d)
A G A -> G A 
13.
When do mutations not have an effect on an individual?
a)
When the amino acid sequence changes 
b)
When the amino acid sequence stays the same 
c)
When a stop codon is inserted
d)
When a start codon is created
14.
DNA → ____________ → ______________
Fill in the above blanks. 
a)
mRNA; Protein
b)
DNA; mRNA
c)
Protein; mRNA
d)
DNA; Protein
15.
Which process occurs at the nucleus?
a)
DNA being transcribed into mRNA
b)
DNA being translated into mRNA
c)
DNA being transcribed into a protein
d)
DNA being translated into a protein
16.
Which process occurs at the ribosome?
a)
DNA is transcribed into RNA
b)
DNA is translated into mRNA
c)
mRNA is transcribed into a protein
d)
mRNA is translated into a protein 
17.
What is the name of the process that occurs at the nucleus?
a)
Translation
b)
Transcription
c)
Transliteration
d)
Transitive 
18.
Which process is occurring in the image?
a)
Transcription
b)
Translation
c)
DNA Replication 
19.
Which process is occuring in the image? 
a)
Transcription
b)
Translation
c)
DNA Replication 
20.
What is the function of DNA ligase?
a)
To proofread and reattach bases 
b)
To add bases 
c)
To unzip DNA
d)
To delete DNA bases
21.
Which of the following is an example of a frameshift mutation?
a)
A T A -> A T A 
b)
A T A -> T T A 
c)
A T A -> C G C G A T A 
d)
A T A -> A T T 
22.
Transcribe the DNA strand below: 
A G T A G T 
a)
A G T A G T 
b)
T C A T C A 
c)
U C A U C A 
d)
U T A U T A 
23.

Using the codon chart, which codon does the DNA strand

A G T C G T

code for?

a)

Ser - Ala

b)

Tyr - Ser

c)

Pro - Val

d)

Arg - Gly

24.

Using the codon chart, what amino acid does

the mRNA sequence : U G A

code for?

a)

Pro

b)

Stop

c)

Thr

d)

Gly

25.
What is the name of the process which occurs at ribosome?
a)
Transcription
b)
Translation
c)
DNA Replication
26.
Which nucleic acid is single stranded and contains the sugar ribose?
a)
DNA
b)
RNA
27.
Which nucleic acid is double stranded and contains the sugar deoxyribose?
a)
DNA
b)
RNA
28.
What is the effect of the following mutation: 
Original DNA strand: T A C A C C 
Mutated DNA strand: T A C A T C 
a)
Inserts a start codon where there isn't one
b)
Inserts a stop codon where there isn't one
c)
Changes the sequence of amino acids 
d)
There is no effect 
29.

DNA holds the code for _________.

a)

lipids

b)

carbohydrates

c)

protein

d)

sugar

30.
The process to go from DNA to mRNA is _______
a)
translation
b)
transcription
c)
replication
31.
Where do mutations occur?
a)
The original DNA strand
b)
The transcribed RNA strad
c)
The translated amino acid sequence
d)
The complimentary RNA strand
32.

What is the shape of DNA called?

a)

Double helix

b)

Triple helix

c)

Spiral staircase

d)

DNA helicase

33.

Why is DNA Replication called semiconservative?

a)

Each daughter strand contains an original strand and one new strand

b)

Each daughter molecule is completely new

c)

Because DNA goes from one molecule to two

d)

Because it happens inside the nucleus

34.

In DNA replication, what enzyme splits the parent strand by breaking the bonds between the bases?

a)

DNA helicase

b)

DNA Polymerase

c)

DNA ligase

d)

RNA helicase

35.

In DNA replication, which enzyme finds free nitrogen bases and brings the correct base?

a)

DNA helicase

b)

DNA polymerase

c)

DNA ligase

d)

RNA

36.

How does DNA differ from RNA?

a)

DNA has the sugar deoxyribose, RNA has the sugar ribose

b)

DNA has thymine, while RNA has uracil

c)

DNA is double stranded while RNA is single stranded

d)

All of the above

37.

Why does the instructions for making proteins have to be copied from DNA into mRNA?

a)

DNA is too small to fit in the ribosome

b)

DNA is too large to leave the nucleus

c)

mRNA is too large to leave the nuclues

d)

DNA can't be read by the ribosome

38.

Which of the following mutations would have the least effect on an organism?

a)

Missense

b)

Silent

c)

Nonsense

d)

Insertion

39.

Mutations occur in the ____________ strand.

a)

DNA

b)

mRNA

c)

tRNA

d)

Protein

40.

What is the monomer of DNA and RNA?

a)

Nucleotide

b)

Amino acid

c)

Glycerol and fatty acids

d)

amino acids

Similar Resources on Wayground

Ecology

37 questions

Ecology

quiz

Worksheet

•

11th - 12th Grade

Unit 10 Exam - Dermatology and Immunology

40 questions

Unit 10 Exam - Dermatology and Immunology

quiz

Worksheet

•

9th - 12th Grade

REMEDIAL BIOLOGI KELAS XI

40 questions

REMEDIAL BIOLOGI KELAS XI

quiz

Worksheet

•

10th Grade

DNA, RNA, Replication & Transcription

40 questions

DNA, RNA, Replication & Transcription

quiz

Worksheet

•

9th - 12th Grade

BIO CDF 24DEC

35 questions

BIO CDF 24DEC

quiz

Worksheet

•

9th - 12th Grade

EOC Review

42 questions

EOC Review

quiz

Worksheet

•

10th Grade - University

How is there so much diversity?

37 questions

How is there so much diversity?

quiz

Worksheet

•

9th - 10th Grade

Dunia Sel

38 questions

Dunia Sel

quiz

Worksheet

•

11th Grade