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DNA replication, transcription, translation

Total questions: 50

Worksheet time: 38mins

Name
Class
Date
1.
If one strand of DNA has the sequence TTACCG, the sequence of the other strand of the same molecule will be
a)
AATGGC
b)
TTACCG
c)
AACGGC
d)
AATGGG
2.
Which enzyme copies DNA?
a)
DNA polymerase
b)
DNA helicase
c)
RNA polymerase
d)
RNA helicase
3.
What is the process that copies information from DNA into RNA?
a)
protein synthesis
b)
transcription
c)
translation
d)
DNA Polymerase
4.
What is the function of DNA helicase?
a)
Attach new nucleotides
b)
To unzip the strands of DNA
c)
Remove nucleotides
d)
To perform crossing over
5.
This image shows that DNA Replication is _______.
a)
Conservative
b)
Semiconservative
c)
Dispersive
d)
Spontaneous
6.
Before the cell divides, what process needs to happen?
a)
Transcription
b)
Translation
c)
Replication
d)
Protein synthesis
7.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
8.
Which of these bases does not exist in RNA?
a)
C
b)
T
c)
U
d)
A
9.
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
10.
In order for DNA instructions to move from the nucleus to the ribosomes in the cytoplasm of a cell, an RNA copy of a DNA strand must be made. This process, which takes place in the cell nucleus, is called
a)
translation
b)
mutation
c)
DNA replication
d)
transcription
11.
Which RNA bases would pair with TACGAA in transcription? 
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
12.
In transcription, A pairs with ____.
a)
T (thymine)
b)
C (cytosine)
c)
G (guanine)
d)
U (uracil)
13.
Every three letters (example: ATC) in DNA codes for what??
a)
Amino Acid
b)
Nucleotide
c)
Lipid
d)
Carbohydrate
14.
tRNA is involved in
a)
carrying amino acids 
b)
carrying ribosomes
c)
carrying glucose
d)
carrying lipids
15.
How many bases are in one codon?
a)
1
b)
2
c)
3
d)
4
16.
The copying of DNA to make two identical strands is called ___
a)
transformation
b)
translation
c)
transcription
d)
replication
17.
The copying of DNA into a strand of mRNA is called
a)
transformation
b)
transcription
c)
translation
d)
replication
18.
The synthesis of a protein from the information carried by  mRNA molecules.
a)
Transformation
b)
Transcription
c)
Translation
d)
Replication
19.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

20.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

AUGCAAUGA

b)

ATGCAATGA

c)

AUGGATUGA

d)

TACGTTACT

21.

Starts with 1 strand of DNA and creates 2 new identical DNA strand.

a)

replication

b)

transcription

c)

translation

22.

Starts with 1 strand of DNA and creates 1 strand mRNA.

a)

replication

b)

transcription

c)

translation

23.

Uses the enzyme helicase to break hydrogen bonds between the 2 strands of DNA.

a)

replication

b)

transcription

c)

translation

24.

Uses the enzyme DNA polymerase to deliver complementary DNA nucleotides.

a)

replication

b)

transcription

c)

translation

25.

Starts with 1 strand of DNA and creates 1 strand mRNA.

a)

replication

b)

transcription

c)

translation

26.

Occurs on the ribosome.

a)

replication

b)

transcription

c)

translation

27.

Creates polypeptides.

a)

replication

b)

transcription

c)

translation

28.

WHERE in the cell does replication occur?

a)

ribosome

b)

cytoplasm

c)

nucleus

d)

cell membrane

29.

WHAT does transcription produce?

a)

DNA

b)

RNA

c)

proteins

d)

amino acids

30.

WHERE in the cell does transcription occur?

a)

cell membrane

b)

cytoplasm

c)

ribosome

d)

nucleus

31.

WHAT does translation produce?

a)

proteins

b)

DNA

c)

RNA

d)

carbohydrates

32.

WHERE in the cell does translation occur?

a)

nucleus

b)

cell membrane

c)

golgi apparatus

d)

cytoplasm

33.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
34.

Okazaki fragments are used to elongate

a)

)the leading strand toward the replication fork

b)

the lagging strand toward the replication fork

c)

both strands in both directions

d)

)the leading strand away from the replication fork

e)

the lagging strand away from the replication fork

35.

All of the following enzymes are involved in DNA replication EXCEPT

a)

helicase

b)

DNA ligase

c)

DNA polymerase

d)

RNA polymerase

e)

RNA primase

36.

The end products of translation are

a)

polypeptides

b)

amino acids

c)

lipids

d)

RNA

e)

DNA

37.

The leading strand is produced continuously, while the lagging strand is produced discontinuously.

a)

True

b)

False

38.
The enzyme that unwinds the DNA to prepare for replication
a)
helicase
b)
replicase
c)
polymerase
d)
synthase
39.
order of replication
a)
3, 4, 2, 1
b)
3, 1, 4, 2
c)
2, 1, 4, 3
d)
3, 4, 1, 2
40.
Once replication in a DNA molecule is complete, each new DNA molecule contains 
a)
two new strands.
b)
3 exact copies of strands.
c)
one new strand and one old.
d)
two old strands.
41.
What is the function of DNA helicase?
a)
Attach new nucleotides
b)
To unzip the strands of DNA
c)
Remove nucleotides
d)
To perform crossing over
42.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
43.
In DNA replication, which enzyme is responsible for building the new DNA strand?
a)
helicase
b)
polymerase
c)
ligase
d)
primase
44.
What is transcription?
a)
When DNA is turned into RNA
b)
When RNA is turned into proteins
c)
When proteins are turned into DNA
d)
When proteins are turned in RNA
45.
What is translation?
a)
When DNA is turned into RNA
b)
When RNA is turned into proteins
c)
When proteins are turned into DNA
d)
When proteins are turned in RNA
46.
What is the correct order?
a)
Transcription then Translation
b)
Translation then transcription
c)
Translation then replication
d)
Replication then Translation
47.
What process is occurring in this photo?
a)
Transcription
b)
Translation
c)
mRNA is matching with amino acids
d)
tRNA is transcribing the DNA
48.

WHAT IS #1

a)

TRIPLET

b)

CODON

49.
True or false:  RNA is double-stranded.
a)
true
b)
false
c)
it depends on the type
50.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine

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