Bell Questions 1. Which experiments led to the discovery of DNA as the genetic material? 2. Describe the events that occur during DNA replication. 3. What is the role of enzymes in the replication of DNA? 4. How are messenger RNA, ribosomal RNA, and transfer RNA involved in the transcription and translation of genes? 5. Explain the various types of mutations and what causes them. 6. How can genetic engineering be used to improve life? 7. Describe the events that occur during DNA replication. 8. How are messenger RNA, ribosomal RNA, and transfer RNA involved in the transcription and translation of genes? 9. How do changes in the DNA sequence affect the translated protein? 10. What are the different types of mutations? Are all mutations deleterious?