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Name_______________________ Protein Synthesis Study Guide Directions: Fill in the blanks with the correct answers. 1. List three ways RNA is different from DNA? a._______________________________________________________________ b._______________________________________________________________ c.________________________________________________________________ 2. In RNA, adenine is paired with _________________________. 3. What happens during transcription? _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ 4. Three specific bases in a sequence are known as a ______________________. 5. Where does transcription happen? _________________________________ 6. Where does translation occur? ____________________________________ 7. Which type of RNA rewrites information from DNA? _______________________ 8. What enzyme unwinds DNA during replication? ______________________________ 9. What enzyme unwinds DNA during transcription? _____________________________ 10. Which sugar is in RNA? ______________________________ 11. Which base is contained in RNA but not DNA? ____________________________ 12. List the three types of RNA a. _______________ b._______________ c._______________ 13. List and describe the five types of chromosomal mutations. a._______________ _____________________________________________________________ b. _______________ ____________________________________________________________ c._______________ _____________________________________________________________ d._______________ _____________________________________________________________ e._______________ _____________________________________________________________ 14. During transcription, the complementary strand of RNA to the following DNA sequence would be what? A T G C G T T A G mRNA __ __ __ __ __ __ __ __ __ tRNA __ __ __ __ __ __ __ __ __ amino acid sequence _________ - _________ - _________ 15. What is the difference between and intron and an exon? a. Intron = ____________________________________________________________________ b. Exon = _____________________________________________________________________ 16. What are the three “STOP” codons? 1. _________ 2. _________ 3. _________
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