A)Functional RNAs do not encode proteins and are active as RNA.
B)Some functional RNAs encode proteins.
C)Examples of functional RNA include mRNA,tRNA,and rRNA.
D)Examples of functional RNA include tRNA,rRNA,snRNA,and miRNA.
E)Functional RNAs do not encode proteins,and examples include tRNA,rRNA,snRNA,and miRNA.

A)RNA is the intermediate between DNA and proteins.
B)RNA was the genetic material in the first living cells.
C)many RNAs are capable of self-splicing.
D)eventually,RNA will become the genetic material of most living organisms.
E)RNA viruses are more dangerous than DNA viruses.

A)3′ TACGTACG 5′.
B)5′ AUGCAUGC 3′.
C)5′ UACGUACG 5′.
D)3′ UACGUACG 5′.
E)5′ATGCATGC 3′.