Why is mRNA called "messenger" RNA?
a
It carries codes for proteins from the cytoplasm to the DNA for DNA synthesis.
b
It carries codes for proteins from DNA into the cytoplasm to be used in protein synthesis.
c
It looks like letters with a "message" under the microscope.
d
It acts as a virus, carrying the message of cellular control.
b
It carries codes for proteins from DNA into the cytoplasm to be used in protein synthesis.