Fill in the blanks with appropriate option.
A newly formed mRNA in eukaryotes (or pre-mRNA) produced by DNA in the nucleus contains sections known as that code for proteins along with sections called that do not code for proteins. Before the pre-mRNA leaves the nucleus, it is processed to remove the and produce a functional mRNA that leaves the nucleus and takes the genetic information to the .
Options:
a. ribosomes
b. intrones
c. exons
d. nucleus