use your model of transcription and translation to answer the questions. 1. how would you need to modify your model to include intron removal? your explanation should contain definitions or descriptions of the following terms and structures: pre-mrna, exons, rna splicing, spliceosome, introns 2. if 20% of the dna in a guinea pig is adenine, what percentage is cytosine? explain your answer. 3. a number of different types of rna exist in prokaryotic and eukaryotic cells. list all three main types of rna involved in transcription and translation. answer the questions to complete the chart. a. type of rna b. where is it produced? c. where and how does it function in cells?