wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Genetic Code Review

Total questions: 54

Worksheet time: 54mins

Name
Class
Date
1.

Which shows the correct complementary DNA strand of ATG?

a)

ATG

b)

TAC

c)

TAG

d)

CGC

2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
3.
The enzyme that unzips the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
4.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
5.

Which enzyme is responsible for building nucleotides?

a)

Helicase

b)
DNA Polymerase
c)
Ligase
d)
Primase
6.
The sides of the DNA “Ladder” are made up of:
a)
Alternating phosphates and sugars
b)
Nitrogen bases
c)
Hydrogen bonds
d)
Protein chains
7.
This image shows that DNA Replication is _______.
a)
Conservative
b)
Semiconservative
c)
Dispersive
d)
Spontaneous
8.

Name this structure

a)

double helix

b)

nucleotide

c)

amino acid

d)

protein

9.

You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?

a)

5'UACGAGUCGACU3'

b)

5'TACGAGTCGACT3'

c)

3'UACGAGUCGACU5'

d)

3'TACGAGTCGACT5'

10.

Which letter in the picture below depicts the leading strand in DNA replication?

a)

A

b)

C

c)

B

d)

None of the above

11.

Which letter in the picture below depicts the lagging strand in DNA replication?

a)

Letter A since it is copied from 5' to 3'

b)

Letter A since it is copied from 3' to 5'

c)

Letter B since it is copied from 3' to 5

d)

Letter B since it is copied from 5' to 3'

12.

DNA replication puts down nucleotides ______' to _____' and is said to be ______________________

a)

5, 3, antiparallel

b)

3, 5, antiparallel

c)

5, 3, parallel

d)

3, 5, parallel

13.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
14.

What are the components of a DNA nucleotide? (Mark all that apply)

a)

Deoxyribose

b)

Ligase

c)

Nitrogen Base

d)

Phosphate group

e)

Ribose

15.
Adenine, Cytosine, Guanine and Thymine are examples of
a)
DNA structure
b)
DNA bases
c)
DNA double helix
d)
Paired bases
16.

What enzyme "glues" the Okazaki fragments together?

a)

Helicase

b)

Ligase

c)

Primase

d)

DNA Polymerase

17.

___ is a double-stranded helix of nucleotides which carries the genetic information of a cell. 

a)

RNA (Ribonucleic Acid)

b)

DNA (Deoxyribonucleic acid)

c)

Chromosomes

d)

Centrioles

18.

Where does mRNA transcription occur?

a)

In the cytoplasm

b)

On a ribosome

c)

In the nucleus where the DNA is

d)

In the Golgi Apparatus?

19.

RNA has information to create...

a)

DNA

b)

Proteins

c)

Elements

d)

Atoms

20.

Which of the mRNA strands below is the complement to this DNA strand: AACCGGTT

a)

UUAACCGG

b)

TTGGCCAA

c)

UUGGCCAA

d)

None of the Above

21.

What does RNA stand for?

a)

Ribonucleic acid

b)

Ricenucleic acid

c)

Ribouncenucleic acid

d)

Rinucleic acid

22.

What are the 4 RNA nitrogen bases?

a)

adenine, thymine, cytoplasm, and guanine

b)

adenine, thymine cytosine, and guanine

c)

adenine, uracil, cytoplasm, and guanine

d)

adenine, uracil, cytosine, and guanine

23.

DNA contains the template to make RNA

a)

True

b)

False

24.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
25.
What does mRNA do?
a)
provides information from DNA to ribosomes
b)
transfers amino acids to the ribosomes
c)
makes up ribosomes
d)
builds proteins
26.
Which phrase best describes translation?
a)
converts mRNA into a polypeptide
b)
catalyzes bonds between amino acids
c)
produces RNA from DNA molecules
d)
recycles tRNA molecules for reuse
27.

Which statement is true about RNA?

a)

RNA is usually single stranded and contains the base uracil

b)

RNA is usually double stranded and contains the base thymine

c)

RNA is made in the nucleus and stays there to carry out its function

d)

All of the above are true.

28.

Which of the following structures carries the DNA information from the nucleus, out to a ribosome

a)

DAN

b)

mRNA

c)

tRNA

d)

rRNA

29.

Which of the following correctly describes transcription

a)

DNA replicating its self

b)

MRNA is made from a DNA template

c)

An anticodon is formed

d)

proteins are made from amino acids

30.

A strand of mRNA carries the code to specific amino acids that will construct specific proteins. what are these codes called?

a)

codons

b)

anticodons

c)

genes

d)

histones

31.

Transcribe this DNA sequence to an mRNA:

3' TAGCATG 5'

a)

3' ATCGTAC 5'

b)

5' AUCGUAC 3'

c)

3' AUCGUAC 5'

d)

5' ATCGTAC 3'

32.

Transcribe this DNA sequence into an mRNA:

5' ATGGCTGA 3'

(a)  

33.

mRNA sequences are typically written in the (a)   direction

34.

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

35.

What does tRNA "transfer"?

a)

amino acids

b)

nucleic acids

c)

nucleotides

d)

AUG

36.

anti-codons are located on __________

a)

mRNA

b)

tRNA

c)

rRNA

d)

snRNA

37.

codons are located on __________

a)

mRNA

b)

tRNA

c)

rRNA

d)

snRNA

38.

How many nucleotides make up a single codon?

a)

3

b)

5

c)

4

d)

1

39.

The following codon is translated into which amino acid?


AUU

a)

Methionine

b)

Isoleucine

c)

Histidine

d)

Arginine

40.

The following codon is translated into which amino acid?


CAU

a)

Methionine

b)

Isoleucine

c)

Histidine

d)

Arginine

41.

The following codon is translated into which amino acid?


UAA

a)

STOP

b)

Phenylalanine

c)

Valine

d)

Aspartic acid

42.
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
43.
What is the correct sequence?
a)
RNA --> DNA --> Protein
b)
Protein --> RNA --> DNA
c)
DNA --> RNA --> Protein
d)
DNA --> Protein --> RNA
44.
Which change below would result in a different Amino Acid? 
3'-GCT-5'
a)
GTT
b)
TCT
c)
TCC
d)
GCA
45.

Deletion

a)

A

b)

B

c)

C

46.
A base pair substitution can result in all of the following except __________.
a)
Missense mutation
b)
Frameshift Mutation
c)
Silent Mutation
d)
Nonsense mutation
47.
Where do mutations occur?
a)
DNA and RNA
b)
DNA 
c)
RNA
d)
mRNA and tRNA
48.

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

49.

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

50.

A mutation is defined as:

a)

A change in the cell's structure

b)

Anything that changes in an embryo

c)

Any change in the physical features of a human

d)

A change in the DNA sequence

51.

Why are insertion and deletion (frameshift) mutations so harmful?

a)

They change all of the codons from the mutation on down the line, which changes the amino acid sequence

b)

They insert things that an organism doesn't need.

c)

They often delete things that organisms need.

d)

Insertion and deletions are not any more harmful than substitution mutations.

52.
Mutations affect the ________ of a protein. Because of this the proteins ______ is affected as well. 
a)
gene, function 
b)
sequence, gene
c)
shape,function
53.
Are all mutations bad?
a)
Yes
b)
No
54.
What do helpful mutations do? 
a)
Increases chances of survival 
b)
Decreases changes of survival 
c)
Increases chances of developing cancer
d)
Decreases skills

Similar Resources on Wayground

Body Sytems

53 questions

Body Sytems

quiz

Worksheet

•

9th - 12th Grade

Unit Test

50 questions

Unit Test

quiz

Worksheet

•

9th Grade

Life Science Review

50 questions

Life Science Review

quiz

Worksheet

•

8th Grade - University

Cells Review

55 questions

Cells Review

quiz

Worksheet

•

6th - 12th Grade

Q1 Biology Review

56 questions

Q1 Biology Review

quiz

Worksheet

•

10th Grade

Evolution Biology YY

50 questions

Evolution Biology YY

quiz

Worksheet

•

9th Grade

assesment kognitif virus

50 questions

assesment kognitif virus

quiz

Worksheet

•

10th Grade

Ulangan Harian Bioteknologi

50 questions

Ulangan Harian Bioteknologi

quiz

Worksheet

•

9th Grade