1. during rna processing a( is added to the 5' end of the rna. a. 3' untranslated region. b. a long string of adenine nucleotides. c. 5' untranslated region. d. coding segment. modified guanine nucleotide 2. during rna processing a( is added to the 3' end of the rna. 3' untranslated region o a long string of adenine nucleotides 5' untranslated region coding segment modified guanine nucleotide 3. spliceosomes are composed of a. snrnps and other proteins b. polymerases and ligases c. introns and exons d. the rna transcript and protein e. snrnps and snurps 4. the rna segments joined to one another by spliceosomes are a. caps b. exons c. snrnps d. tails e. introns 5. translation occurs in . cytoplasm b. lysosome c. nucleus d. golgi apparatus e. nucleoplasm