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mRNA Processing

Total questions: 11

Worksheet time: 8mins

Name
Class
Date
1.

During mRNA processing _________ regions of genetic code are removed and the mRNA segments combined to form a single processed mRNA strand.

a)

Intron

b)

Exon

2.

The specialized enzyme(s) that do the mRNA processing are called the...

a)

RNA Polymerase

b)

Spliceosome

c)

Helicase

d)

RNA Catalase

3.

For our model...The RNA code, Introns (non-coding regions) will begin with _______ and end with ________.

a)

CA? , ?TC

b)

GU? , ?AG

4.

Which of these below is/are mRNA introns (non-coding regions)?

a)

CAT GGG CCC ATC

b)

GUA CAA ACC AAG

c)

GUG AAA UCC ACG

d)

CAA CCC GAA UAG

e)

GUG ACC AAU CAG

5.

How many introns are in the mRNA sequence below?


UAG GCA GUA AAG AAA GUG CCC AAG CCA GUA AAA AGA

a)

No Introns

b)

One Intron

c)

Two Introns

d)

Three Introns

e)

Four Introns

6.

How many introns are in the mRNA sequence below?


UAG GCA CUA AGU AAA GUG CCC ACG CCA GAA AAA AGA

a)

No Introns

b)

One Intron

c)

Two Introns

d)

Three Introns

e)

Four Introns

7.

How many introns are in the mRNA sequence below?


UAG GCA GUA AAG AAA GUG CCC AAG CCA GUA AAG AAC GGA

a)

No Introns

b)

One Intron

c)

Two Introns

d)

Three Introns

e)

Four Introns

8.

Provide the processed mRNA sequence after introns are removed fro this sequence. No space between bases, one space between codons>


GGA AAG CAA GUA AAG AAC CCC

(a)  

9.

Provide the processed mRNA sequence after introns are removed fro this sequence. No space between bases, one space between codons.


GGA GGG CCC UUA GUA AAA CCA UCC AAG UAA

(a)  

10.

Provide the processed mRNA sequence after introns are removed fro this sequence. No space between bases, one space between codons.


GUA GGA CAG GGG CCA AAC GUA AAU CAG CCA GGA

(a)  

11.

Provide the processed mRNA sequence after introns are removed from this DNA sequence. You will need to TRANSCRIBE this to mRNA first! No space between bases, one space between codons.


TAC CCA AAG CAT CCA AAA GTC ACC AGA TAC ATT

(a)