Why are RNA molecules cut and spliced?

Related questions

1. What happens in RNA editing?
2. What is RNA turnover?
3. What are the 3 parts of mRNA?
4. What happens in post transcriptional modification?
5. What do Spliceosomes do?
6. Why do introns exist?
7. What happens to RNA after transcription?
8. Why is RNA called ribonucleic acid?
9. Why is RNA usually single stranded?
10. What does not occur during RNA processing?

Tags

1. #making
2. #changes
3. #evolution
4. #molecules
5. #makes
6. #small
7. #dramatic
8. #explanations
9. #single
10. #forms
11. #possible
12. #effects
13. #produce
14. #expression
15. #different
16. #spliced
17. #several