wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

DNA, Protein Synthesis, and Mutations

Total questions: 66

Worksheet time: 34mins

Name
Class
Date
1.
In a strand of DNA, if it contains 20% of Thymine, then how much Guanine would be present?
a)
30%
b)
20%
c)
80%
d)
10%
2.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
3.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
4.
Which of the following units are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
5.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
6.
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
7.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
8.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
9.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
10.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
11.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
12.
A portion of DNA reads GAG. The corresponding mRNA would be
a)
GUG
b)
GTG
c)
CTC
d)
CUC
13.
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
14.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
15.
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
16.
Which of the following describes RNA?
a)
RNA is usually double-stranded and contains the base thymine
b)
RNA is usually single-stranded and contains the base uracil
c)
RNA is longer than DNA and uses five bases to encode information
d)
RNA is made in the nucleus of eukaryotic cells and stays there to carry out its functions
17.
In messenger RNA, each codon specifies a particular
a)
nucleotide
b)
enzyme
c)
amino acid
d)
promoter
18.
The process of making proteins on the ribosome based on instructions from messenger RNA is called
a)
transcription
b)
transformation
c)
translation
d)
molecular biology
19.
Changes is DNA sequences that affect genetic information are known as
a)
replications
b)
mutations
c)
transformations
d)
translations
20.
A substance that can cause a change in the DNA code of an organism is called a 
a)
toxin
b)
mutagen
c)
nitrogenous base
d)
nucleotide
21.
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
22.
A type of substitution in which no  amino acids change is called 
a)
Missense
b)
Nonsense
c)
Silent
d)
Deletion
23.
Which of the following would result in a frameshift mutation?
a)
Insertions only
b)
Substitution only
c)
Deletion only
d)
Insertions and Deletions
24.
mRNA is read in chunks of three, called...
a)
quadralets
b)
anticodons
c)
codons
d)
capsids
25.
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
26.
Normal-
GAG-CTC-GAC-AGA
Mutant
GAG CTC-CAC-AGA
a)
no mutation
b)
substitution
c)
insertion
d)
deletion
27.
Are all mutations bad?
a)
Yes
b)
No
28.

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

a)

nutritional needs

b)

organisms

c)

habitats

29.

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

a)

Frameshift

b)

Silent

c)

Point

30.
What do helpful mutations do? 
a)
Increases chances of survival 
b)
Decreases changes of survival 
c)
Increases chances of developing cancer
d)
Decreases skills
31.

There are 3 types of RNA. What are they? (Select all that apply)

a)

tRNA

b)

rRNA

c)

mRNA

d)

xRNA

32.
RNA contains the sugar
a)
ribose
b)
deoxyribose
c)
glucose
d)
lactose
33.
What is the product of translation?
a)
DNA
b)
mRNA
c)
tRNA
d)
proteins
34.

The Process of creating RNA from DNA

a)

Transcription

b)

Translation

c)

Replication

35.

What combines together to make a protein?

a)

Amino Acid

b)

RNA

c)

Ribosome

d)

DNA

36.

What organelle is the site of translation?

a)

Nucleus

b)

Ribosome

c)

Mitochondria

d)

Chloroplast

37.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription

38.
Which type of RNA takes the instructions from the nucleus to the cytoplasm?
a)
mRNA
b)
tRNA
c)
rRNA
d)
RNA polymerase
39.
What is the template for mRNA?
a)
DNA
b)
tRNA
c)
rRNA
d)
proteins
40.

Carries the amino acid used to make a protein

a)

mRNA

b)

rRNA

c)

tRNA

41.

Factory for making a protein

a)

mRNA

b)

rRNA

c)

tRNA

42.
What type of bond holds amino acids together in order to make a protein?
a)
hydrogen bond
b)
peptide bond
43.
Where does transcription take place?
a)
at a ribosome
b)
in the nucleus
c)
at a mitochondria
d)
at a lysosome
44.
Where does translation take place?
a)
in the nucleus
b)
at a ribosome in the cytoplasm
c)
at a mitochondria
d)
at a lysosome
45.

Process of copying a nucleotide sequence of DNA to form a complementary strand of mRNA

a)

Translation

b)

Transcription

c)

Replication

d)

Synthesis

46.

Set of three nucleotides in a tRNA molecule that binds to a complementary mRNA codon during translation

a)

Anti-codon

b)

Codon

c)

Amino acid

d)

Bases

47.

Molecule that makes up proteins (monomer of proteins)

a)

Ribosome

b)

rRNA

c)

Ribose

d)

Amino acid

48.

Molecule that makes up proteins (monomer of proteins)

a)

Ribosome

b)

rRNA

c)

Ribose

d)

Amino acid

49.

Carries copies of DNA's genetic material from the nucleus to ribosomes in the cytoplasm.

a)

messenger RNA (mRNA)

b)

transfer RNA (tRNA)

c)

ribosomal RNA (rRNA)

d)

Ribosome

50.

Transfers and brings amino acids to ribosomes during protein synthesis

a)

messenger RNA (mRNA)

b)

ribosomal RNA (rRNA)

c)

transfer RNA (tRNA)

d)

RNA Polymerase

51.

Sequence of 3 consecutive nucleotides that code for one amino acid

a)

Anti-codon

b)

Protein

c)

Bases

d)

Codon

52.

Process by which mRNA is decoded and a protein is produced

a)

Transcription

b)

Translation

c)

Replication

d)

Synthesis

53.

In RNA, the base thymine is replaced with this base that will bond Adenine instead in RNA.

a)

Cytosine

b)

Guanine

c)

Uracil

d)

Ribose

54.

The creation or combination of something

a)

mutation

b)

transcription

c)

translation

d)

synthesis

55.

Composed of a sugar, phosphate group, and nitrogenous base. These are the building blocks of DNA.

a)

codon

b)

nucleotide

c)

protein

d)

amino acid

56.

Organelle that is the site of protein synthesis

a)

ribosomes

b)

Golgi body

c)

cell membrane

d)

chloroplasts

57.

Where is DNA made into RNA?

a)

Cytoplasm

b)

Nucleus

c)

Ribosome

d)

Cell Membrane

58.

Where is RNA made into protein?

a)

Cytoplasm

b)

Nucleus

c)

Ribosome

d)

Cell Membrane

59.

A codon is a group of ___ RNA bases.

a)

1

b)

3

c)

5

d)

6

60.

What best explains the interaction between tRNA and mRNA during translation?

a)

anticodons on the mRNA line up with complementary codons on the tRNA

b)

anticodons on the tRNA line up with complementary codons on the mRNA

c)

tRNA attach amino acids to the complementary mRNA sequence

d)

mRNA attach amino acids to the complementary tRNA sequence

61.
Which phase of which process does this picture show?
a)
Transcription
b)
Translation
c)
Replication
62.

How many different amino acids are there?

a)

10

b)

18

c)

20

d)

Thousands

63.

Which of the following describes the primary structure of a protein?

a)

Polypeptide chain

b)

Pleated sheets or Helices

c)

3D folding

d)

Two or more chains bonded together

64.

Proteins are made of many ____ bonded together.

a)

amino acids

b)

enzymes

c)

polypeptides

65.

What is the special type of bond that forms between two amino acids?

a)

hydrogen bond

b)

ionic bond

c)

peptide bond

66.

What is the name for a chain of amino acids?

a)

Polypeptide chain

b)

Triglycerides

c)

Polysaccharides

d)

Nucleotides

Similar Resources on Wayground

90948: Genetics revision

67 questions

90948: Genetics revision

quiz

Worksheet

•

9th - 11th Grade

Biology FLP-1 Test

68 questions

Biology FLP-1 Test

quiz

Worksheet

•

11th - 12th Grade

Week 6 Quizizz : Cells, Homeostasis and Body Systems

65 questions

Week 6 Quizizz : Cells, Homeostasis and Body Systems

quiz

Worksheet

•

11th - 12th Grade

Biology EOC Practice Exam 16 - 17

66 questions

Biology EOC Practice Exam 16 - 17

quiz

Worksheet

•

9th - 10th Grade

Ecology Diagnostic

61 questions

Ecology Diagnostic

quiz

Worksheet

•

11th - 12th Grade

Biomolecules and Enzymes

62 questions

Biomolecules and Enzymes

quiz

Worksheet

•

9th Grade

Biology STAAR Review

67 questions

Biology STAAR Review

quiz

Worksheet

•

9th - 12th Grade

Unit 3: Biochemistry

67 questions

Unit 3: Biochemistry

quiz

Worksheet

•

9th Grade