Answer:
Explanation:
A. mRNA Â ( Â messenger RNA);
i)it  is the most abundant form of RNA ,
ii) specifies the amino acid sequence for a protein ,
iii) contains exons.
B. rRNA Â (ribosomal RNA);
i) it is assembled in the nucleolus ,
ii) is a component of ribosomes .
C. tRNA Â (transfer RNA );
i) contains anticodon,
ii) has amino acids covalently attached .