Before it leaves the nucleus, the mRNA is spliced to create mature mRNA. This splicing involves that cutting out of introns, leaving only the exons - which are the segments which code for a protein. Before it leaves the nucleus, the mRNA is spliced once again to create mature mRNA.
Answer:
the right answer is not aviable at this time
Explanation:
I'm pretty sure it's D, because I had something like this last week. but I'm sorry if it's wrong..
Meiosis creates 4 different cells they are not copied like mitosis
Moon: Not magnetic
Compass: Permanent Magnet
MRI: Not Magnetic