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TRANSCRIPTION

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.
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
2.

Where does this process take place in eukaryotic organisms?

a)

nucleus

b)

ribosome

c)

cytoplasm

d)

smooth ER

3.
Which is a difference between DNA and RNA
a)
RNA is double stranded
b)
RNA is not made of nucleotides
c)
RNA contains Uracil instead of Thymine
d)
RNA does not contain a sugar
4.
DNA codes for...
a)
cholesterol
b)
proteins
c)
fatty acids
d)
a sandwich
5.

Name the enzyme involved in transcription process.

a)

DNA Polymerase III

b)

DNA Primase

c)

RNA Polymerase

d)

DNA helicase

6.

Where on the DNA strand does RNA polymerase attach?

a)

Origin of Replication

b)

Termination site

c)

Promotor site/region (TATA box)

d)

Polymerator

7.
When DNA is transcribed to RNA.... 
a)
A pairs with U
b)
C pairs with U
c)
A pairs with T
d)
C pairs with T
8.

The______ region lies towards the 3'end of the coding sequence of DNA since the transcript is made in ___ direction.

a)

Promoter, 5'-3'

b)

Terminator, 5'-3'

c)

Promoter, 3'-5'

d)

Structural genes, 3'-5'

9.

RNA must be edited before it can be used to make Proteins, what happens during this editing process?

a)

A spliceosome cuts out exons, reconnects the introns

b)

A spliceosome cuts out the introns, reconnects the exons

c)

A splicesome pairs nucleotides with the DNA base pairs

d)

The RNA is checked for typos

10.

Removal of noncoding sequences from the pre-mRNA is called

a)

Capping

b)

Splicing

c)

Tailing

d)

Spooling

11.

The noncoding sequences in mRNA is known as (a)  

12.
Three mRNA bases that are read together are known as what?
a)
Codon
b)
Anticodon
c)
Triplet
d)
Amino acid
13.

The triplet code (codon), that signals the start of a code in mRNA is __.

a)

UAG

b)

AUG

c)

AUU

d)

UAA

14.
Which of the following statements regarding mRNA is correct?
a)
Exons are included in the protein sequence, while introns are left out
b)
Introns are included in the protein sequence, while exons are left out
c)
Exons and Introns can both be included or left out depending on the protein
d)
Exons and Introns are both part of the mRNA sequence, but only exons are part of the rRNA and tRNA
15.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
16.

Which RNA bases would pair with CCG TAA in transcription?

a)

AUG CUU

b)

GGC AUU

c)

GCU ACC

d)

GCA ATT

17.
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
18.
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
19.
Which is the mRNA molecule that would be transcribed from this DNA template:
TGGCAAGTACGT
a)
ACCGTTCATGCA
b)
UGGCAAGUACGU
c)
UCCGUUCUUGCU
d)
ACCGUUCAUGCA
20.

Identify the termination codons that marks the end of protein synthesis.

a)

UAG

b)

UAA

c)

UGA

d)

AUG