Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

DNA and Protein Synthesis

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

What are the roles of DNA?

a)

Makes up genes

b)

Stores genetic information

c)

Copies itself to pass information to new cells

d)

all of the above

2.

DNA has a _____________ shape

a)

rectangular

b)

single helix

c)

double helix

d)

circular

3.

DNA and RNA are examples of

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

4.

The smallest unit (monomer) of a nucleic acid is called a(n)

a)

nucleotide

b)

double helix

c)

amino acid

d)

mRNA

5.

Each nucleotide is made up of ______ parts

a)

1

b)

2

c)

3

d)

4

6.

A DNA nucleotide is composed of which basic components?

a)

Uracil, a deoxyribose sugar, and a phosphate

b)

Guanine, a ribose sugar, and a phosphate

c)

Adenine, a dexoyribose sugar, and a phosphate

d)

Thymine, a glucose sugar, and a phosphate

7.

The bonds holding the sugar and phosphate backbone together are called

a)

hydrogen bonds

b)

covalent bonds

c)

ionic bonds

d)

metallic bonds

8.

The bonds holding the base pairs together are called

a)

hydrogen bonds

b)

covalent bonds

c)

ionic bonds

d)

metallic bonds

9.

Adenine and Guanine are referred to as ___________

a)

Purines

b)

Pyrimidines

10.

Thymine and Cytosine are referred to as _______________

a)

Purines

b)

Pyrimidines

11.

Which of the following is true:

a)

A pairs with G and has three hyrdrogen bonds

b)

T pairs with C and has two hydrogen bonds

c)

A pairs with T and has two hydrogen bonds

d)

G pairs with T and has three hydrogen bonds

12.

Chargaff's rule states that

a)

A-T, C-G

b)

C-T, A-G

c)

T-U, A-C

d)

G-C, C-A

13.

DNA strands run in

a)

the same direction (parallel)

b)

different directions (antiparallel)

14.

Who were the first people to build the 3D model of DNA?

a)

Stanley Cohen

b)

Rosalind Franklin

c)

Erwin Chargaff

d)

Watson and Crick

15.

Prokaryotic cells

a)

have a nucleus

b)

have membrane bound organelles

c)

are in fungus

d)

do not have a nucleus

16.

Eukaryotic cells

a)

do not have membrane bound organelles

b)

are a part of bacterial cells

c)

have a nucleus

d)

do not have a nucleus

17.

In eukaryotic cells, the DNA is

a)

stored in the nucleus

b)

stored in the cytoplasm, since they do not have a nucleus

18.

In prokaryotic cells, the DNA is stored

a)

in the nucleus

b)

in the cytoplasm, since they do not have a nucleus

19.

The process by which DNA is copied into more DNA is known as

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Protein Synthesis

20.

Helicase is an enzyme that

a)

unwinds the DNA

b)

unzips the hydrogen bonds bonding the base pairs

c)

attaches new nucleotides to the old strands, making one new strand from the old strand

d)

seals the DNA fragments together

21.

DNA Polymerase

a)

unwinds the DNA

b)

unzips the hydrogen bonds bonding the base pairs

c)

attaches new nucleotides to the old strands, making one new strand from the old strand

d)

seals the DNA fragments together

22.

What is the complementary DNA strand from the strand below:

ACTAGGA

a)

AGATCCA

b)

CGATCGA

c)

TGATCCT

d)

TCTACGT

23.

Which statement is FALSE about RNA?

a)

RNA is single stranded

b)

RNA is composed of three parts: a base, a phosphate, and a deoxyribose sugar

c)

There are three types of RNA

d)

The bases for RNA include adenine, guanine, cytosine, and uracil

24.

A strand of DNA is being transcribed in the nucleus. What will the corresponding mRNA be?


The DNA strand is: ATTGCAGTAACCG

mRNA: _______________________________

a)

UAACGUCAUUGGC

b)

TAACGTGATTCCG

c)

CGGUUACUGCAAU

d)

This cannot be determined from the information given.

25.

The purpose of transcription is to

a)

replicate DNA

b)

make protein in the ribosome

c)

read DNA and make a mRNA

d)

synthesize amino acids in the nucleus

26.

The building block of protein (monomer) is called

a)

nucleotide

b)

amino acid

c)

monosacharide

d)

lipid

27.

The 2 processes that occur during protein synthesis include

a)

amino acids and DNA replication

b)

transcription and translation

c)

eukaryotic and prokaryotic

d)

DNA and RNA Polymerase

28.

RNA Polymerase is responsible for

a)

speeding up the process of DNA replication

b)

unzipping the hydrogen bonds in the DNA

c)

sealing the fragments of RNA together

d)

binding to DNA and adding RNA nucleotides that complement the DNA to make a strand of mRNA

29.

One gene codes for ______ protein(s)

a)

1

b)

2

c)

3

d)

4

30.

There are _________ different amino acids

a)

10

b)

15

c)

20

d)

25

31.

A codon is a sequence of ________ bases

a)

1

b)

2

c)

3

d)

4

32.

1 codon codes for _________ amino acid

a)

1

b)

2

c)

3

d)

4

33.

Translation is

a)

the process where mRNA is created from the DNA

b)

the process where DNA is replicated into more DNA

c)

the process where mRNA is decoded and a protein is made

d)

the process where mRNA turns into rRNA

34.

Where is a protein made in a eukaryotic cell?

a)

nucleus

b)

ribosome

c)

cytoplasm

d)

smooth endoplasmic reticulum

35.

The 3 base sequence for the start codon (methionine) is...

a)

AUG

b)

GUG

c)

ATG

d)

CCC

36.

Frameshift and substitution are two types of ________ mutations

a)

Chromosomal

b)

Gene

37.

a frameshift mutation

a)

is a change because of the insertion or deletion of a base

b)

is the worst kind of gene mutation

c)

causes a change in the remaining amino acids

d)

all of the above

38.

Which types of RNA are involved in protein synthesis?

a)

mRNA only

b)

tRNA only

c)

rRNA and tRNA only

d)

mRNA, tRNA, rRNA

39.

Genes contain instructions for assembling

a)

purines

b)

nucleosomes

c)

pyrimidines

d)

proteins

40.

Which of the following is not a mutation?

a)

translation

b)

insertion

c)

deletion

d)

substitution

41.

Which of the following can be possible external causes and effects of DNA mutations?

a)

heat

b)

radiation

c)

chemicals

d)

all of these can cause mutations

42.

TRUE or FALSE: All codons code for their own amino acid

a)

TRUE

b)

FALSE

43.

Transcription begins when RNA Polymerase

a)

attaches to a ribosome

b)

binds to a protein

c)

attaches to a repressor protein

d)

binds to a strand of DNA and attaches to RNA nucleotides

44.

A mutation that involves a single nucleotide is called a(n)

a)

chromosomal mutation

b)

point mutation

c)

frameshift mutation

d)

inversion mutation

45.

A protein is 90 amino acids long. How long is the gene (how many bases long is it)?

a)

270

b)

30

c)

3

d)

9000

46.

What is the order for protein synthesis?

a)

DNA --> Protein --> RNA

b)

RNA --> DNA --> Protein

c)

Protein --> RNA --> DNA

d)

DNA --> RNA --> Protein

47.

The mRNA strand is AUG CGC GCC AGA. What are the amino acids that will be produced from this mRNA strand?

a)

Methionine-Arginine-Alanine-Arginine

b)

Methionine-Histidine-Leucine-Arginine

c)

Methionine-Glycine-Valine-Stop

d)

Methionine-Glutamine-Proline-Cysteine

48.

A DNA strand has the sequence AAC UUA GCG UAU. What will the amino acids be for this sequence?

a)

Methionine-Proline-Valine-Serine

b)

Methionine-Lysine-Alanine-Tryptophan

c)

Asparagine-Leucine-Alanine-Tyrosine

d)

Aspartic acid-Glycine-Histidine-Threonine

49.

The DNA strand GCC GTA AGC goes through transcription. What is the product?

a)

CGG CAU UCG

b)

Arginine-Histidine-Serine

c)

CGG CAT TCG

50.

The DNA strand TAC GCG ATT goes through translation. What is produced?

a)

AUG CGC UAA

b)

ATG CGC TAA

c)

Methionine-Arginine-Stop

Similar Resources on Wayground

Cell Growth and Division Study Guide

54 questions

Cell Growth and Division Study Guide

quiz

Worksheet

•

9th - 10th Grade

Chapter 2 - Chemistry of Life

50 questions

Chapter 2 - Chemistry of Life

quiz

Worksheet

•

10th - 12th Grade

Endocrine System

45 questions

Endocrine System

quiz

Worksheet

•

11th - 12th Grade

The Central Dogma

45 questions

The Central Dogma

quiz

Worksheet

•

9th - 10th Grade

TCHS Semester Exam Part 2

51 questions

TCHS Semester Exam Part 2

quiz

Worksheet

•

9th - 12th Grade

Unit 2.2 Transcription / Translation / Mutations

53 questions

Unit 2.2 Transcription / Translation / Mutations

quiz

Worksheet

•

9th Grade

Those genes, though!

50 questions

Those genes, though!

quiz

Worksheet

•

KG - University

Biology Summary Review

50 questions

Biology Summary Review

quiz

Worksheet

•

9th Grade