Question

Listed below is a mature mRNA sequence from a cell.

5’

G

C

A

U

G

A

U

G

C

C

U

U

G

G

U

A

A

A

A

3’

q1) What establishes the reading frame (and thus the beginning of translation)?

q2) what would be the amino acid sequence produced using this mRNA sequence as a guide?

                                                                                                   

Answer 1

Answer:

q1).

Reading frame strats with AUG codons in mRNA during translation. Therefore, the reading frame is as below. 5- AUGAUGCCUUGGUAA-3'

q2).

5’

A

U

G

A

U

G

C

C

U

U

G

G

U

A

A

Met

Met

Pro

Trp

STOP