Download PPT GUIDE #5: RNA TRANSCRIPTION (Goes with

Name: _____________________________________________________ Date: ________________ Period: _______________
RNA and Transcription PPT Guide #5
1. What is transcription?
2. What is translation?
3. What does RNA stand for? __________________________________________________________________________________
4. What are RNA’s characteristics?
5. What are the 3 types of RNA? What are there functions (jobs)?
Type of RNA
Function/Job
a. ___________________________________ ________________________________________________________________
b. ___________________________________ ________________________________________________________________
c. ___________________________________ ________________________________________________________________
6. What piece of the cell actual makes the proteins? ________________________________________________________
7. What type of RNA does transcription make? __________________________________
8. In prokaryotes, transcription and translation occur together. Why can this happen?
9. In eukaryotes, what happens to the original mRNA (pre mRNA)?
10. How is protein made? ________________________________________________________________________________
11. What are amino acids?
12. How many different amino acids are there? ____________________
13. What is the GENETIC CODE?
14. What is a codon?
15. Where are codons found? _____________________________
16. Codons are ALWAYS read in the ____’ to ____’ direction.
17. How many STOP codons are there? ______________
18. There is only 1 START codon. What is it? ____________________ It also codes for an amino acid called
____________________.
19. Why is the genetic code nearly UNIVERSAL?
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20. What is RNA polymerase? What does it do?
21. What are the RNA base pairing rules? _________________________________________________________________
22. Fill in the table below.
RNA Transcription Step
What happens?
Initiation
Elongation
Termination
23. What are promoters? What “start signal” on DNA is found in the promoter?
24. Fill in the table below.
RNA Transcription
How are they similar?
How are they different?
Prokaryotes
Eukaryotes
25. What are the 2 ways in which pre-mRNA is modified (changed) in eukaryotes before it can leave the
nucleus?
a. ___________________________________________________________________________________________________________________
b. ___________________________________________________________________________________________________________________
26. What are introns?
27. What are exons?
28. Sketch and label a “MATURE” piece of mRNA in a eukaryotic cell.
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