False, the mass can only be changed if the object is split apart.
The mRNA would look identical this one except that instead of T's you would see U's:
DNA 5'-AGCTCGATCGA-3'
RNA 5'-AGCUCGAUCGA-3'
Doppler blueshift is used in astronomy to determine relative motion: The Andromeda Galaxy is moving toward our own Milky Way galaxy within the Local Group; thus, when observed from Earth, its light is undergoing a blueshift.