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Replication, Transcription, Translation

Total questions: 50

Worksheet time: 17mins

Name
Class
Date
1.
The two strands of a DNA molecule are held together by ________ bonds between their base pairs.
a)
covalent
b)
hydrogen
c)
ionic
d)
peptide
2.
Which of the following is not a base found in DNA?
a)
adenine
b)
thymine
c)
cytosine
d)
uracil
3.
What part of a nucleotide accounts for the genetic variation between individuals?
a)
phosphate
b)
nitrogenous base
c)
deoxyribose
d)
sugar
4.
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
5.
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.
6.
Which enzyme copies DNA?
a)
DNA polymerase
b)
DNA helicase
c)
RNA polymerase
d)
RNA helicase
7.
What are the functions of genes?
a)
instructions for producing proteins
b)
instructions for producing DNA
c)
instructions for producing lipids
d)
they have no function
8.
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
9.

What does rRNA do?

a)

provides information from DNA to ribosomes

b)

transfers amino acids to the ribosomes

c)

makes up ribosomes and translates the message

d)

builds proteins

10.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of:
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
11.
In RNA, adenine bonds with 
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
12.
Which of the following best describes a DNA molecule? 
a)
contains ribose 
b)
made of amino acids
c)
contains Uracil
d)
double helix
13.

Where does transcription take place?

a)

nucleus

b)

cytoplasm

c)

ribosome

14.

Where does transcription take place?

a)

nucleus

b)

cytoplasm

c)

ribosome

15.
Codons contain ______ bases
a)
1
b)
3
c)
6
d)
9
16.

What is the correct order?

a)

Replication, Transcription, Translation

b)

Translation, Replication, Transcription

c)

Transcription, Translation, Replication

d)

Replication, Translation, Transcription

17.

Which RNA bases would pair with CCG TAA in transcription?

a)

AUG CUU

b)

GGC AUU

c)

GCU ACC

d)

GCA ATT

18.

Which RNA bases would pair with GGG CCC in transcription?

a)

CCC GGG

b)

GGG CCC

c)

AAA UUU

d)

UUU AAA

19.
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
20.

Which of the following is the correct order?

a)

RNA -> DNA-> protein

b)

protein -> DNA -> RNA

c)

DNA -> protein -> RNA

d)

DNA->RNA-> Protein

21.

If you are using the codon chart, what process are you doing?

a)

replication

b)

transcription

c)

translation

d)

mitosis

22.
What will be the resulting mRNA from this DNA sequence:
GAT-TAC-AGA-TTA-CAT?
a)
CTA-ATG-TCT-AAT-GTA
b)
GAU-UAG-UGA-UUA-GUT
c)
CUA-AUG-UCU-AAU-GUA
d)
CAT-ACA-TAC-ATA-TAG
23.
Which amino acid is made from the RNA codon GUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Valine
24.
Which amino acid is made from the RNA codon UUA?
a)
Phenylalanine
b)
Leucine
c)
Serine
d)
Tyrosine
25.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
26.

In which cell organelle is DNA found in?

a)

ribosome

b)

vacuole

c)

chloroplast

d)

nucleus

27.
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
28.

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

a)

replication

b)

transcription

c)

translation

29.

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

a)

replication

b)

transcription

c)

translation

30.

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

a)

replication

b)

transcription

c)

translation

31.

Uses the enzyme DNA polymerase to deliver complementary DNA nucleotides.

a)

replication

b)

transcription

c)

translation

32.

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

a)

replication

b)

transcription

c)

translation

33.

Occurs on the ribosome.

a)

replication

b)

transcription

c)

translation

34.

Begins when the start codon "AUG" is read.

a)

replication

b)

transcription

c)

translation

35.
What type of RNA carries the DNA message out of the nucleus to the ribosomes?
a)
mRNA
b)
tRNA
c)
RNA
d)
DNA
36.
When the RNA gets to the ribosomes, which molecule transfers to the mRNA to amino acids?
a)
DNA
b)
mRNA
c)
tRNA
d)
Replicated RNA
37.
Amino acids are the building blocks of... 
a)
DNA
b)
RNA
c)
Atoms
d)
Proteins
38.
When transferring tRNA to amino acids, the process cannot begin until it reaches a...
a)
Beginning codon
b)
Start codon 
c)
Initiator codon
d)
Anticodon
39.
The process of transferring the codons to the amino acids ends with what codon?
a)
Stop
b)
Terminal
c)
End
d)
Cancel 
40.
What process is occurring in this photo?
a)
Transcription
b)
DNA unwinding
c)
Translation
d)
Transfer RNA is creating bases
41.
What process is occurring in this photo?
a)
Transcription
b)
Translation
c)
mRNA is matching with amino acids
d)
tRNA is transcribing the DNA
42.
In translation, C pairs with 
a)
U
b)
G
c)
A
d)
T
43.
The job of tRNA is to...
a)
carry amino acids to the ribosomes 
b)
carry ribosomes to the ER
c)
carry mRNA out of the nucleus
d)
carry glucose to mitochondria
44.
What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA?
a)
 Met-Pro-Val-Stop
b)
Met-Pro-Arg-Stop
c)
 Tyr-Gly-His
d)
Tyr-Gly-Arg-His
45.
Which of the following best describes a DNA molecule? 
a)
contains ribose 
b)
made of amino acids
c)
contains Uracil
d)
double helix
46.
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of:
a)
Uracil
b)
Thymine
c)
Cytosine
d)
Guanine
47.
What process does the energy come from to fuel protein synthesis?
a)
Cellular respiration
b)
ADP
c)
Carbohydrates
d)
Mitochondria
48.
One difference between DNA and RNA is that....
a)
Only RNA has the base Uracil
b)
only RNA contains the base Thymine
c)
only RNA contains the base Cytocine
d)
only RNA contained the base Guanine
49.
True or false:  RNA is double-stranded.
a)
true
b)
false
c)
it depends on the type
50.
_______ is made during transcription and ________ is made during translation.
a)
mRNA / a protein
b)
a protein / mRNA
c)
Ribosome / Nucleus
d)
mRNA / tRNA

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