An mRNA molecule has a sequence 5'- CAGAUCUAAUGCUUAUCGGAU-3'. When translated in a laboratory setting in which translation can be initiated anywhere along the molecule, how many reading frames are possible?
A)1
B)2
C)3
D)4
E)6

Question

Quizplus · Accepted Answer

There are three possible reading frames for this mRNA molecule, as there are three possible starting points for translation (CAG, AUG, and CUA).

An MRNA Molecule Has a Sequence 5'- CAGAUCUAAUGCUUAUCGGAU-3