Which nucleotides are added to the end of a completed messenger rna transcript?

Uracil nucleotides ( Poly u chain) are added to messenger RNA at the termination of transcription

At the end of transcription mRNA chain terminate with a repeating uracil nucleotide because there are repeating adenine at the DNA.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above

c. is the correct answer