1. Do now activity
Explain which DNA bases pair together? How many hydrogen bonds are formed between each pair?
List all 3 steps of DNA Replication in order.
Explain what it means when DNA is “semi-conservative”.
Why is the DNA structure semi-conservative?
Explain each step of the Cell Cycle ( G 1 , S, G 2 , M).
Why do cells need to go through mitosis? What is a consequence if they do not go through mitosis?

2. Section 3-3: Transcription
Essential Question
Compare and contrast the difference and similarities between DNA and RNA.
Learning Targets
Explain how the structure of DNA determines the structure of proteins.
Develop a model demonstrating the creation of a protein from DNA that includes the macromolecules and organelles involved
Section 3-3: Transcription

3. announcements Biology Tutoring schedule W&F @ 7:00AM Section 3 Quiz 1
Scheduled for Thursday: 10/19/17
Section 3 Lab
Scheduled for Monday & Tuesday: 10/23 & 10/24
Class website will be updated today

4. Available Extra Credit
announcements
Available Extra Credit
1 Ream of Colored Printer Paper = 1 Class Pass (Limit 1 per student per chapter)

5. Don’t forget to chunk your notes!

6. overview Function of RNA:
to move genetic information from the ___ to the ___ for protein synthesis.
Nucleus/cytoplasm
nucleus
cytoplasm

7. RNA structure is made of _____ .
overview
nucleotides
RNA structure is made of _____ .
nucleotides

8. overview
3 Types of RNA
1. mRNA
2. rRNA
3. tRNA
cyclins

9. “messenger” mRNA – transcribes DNA’s message
overview
cyclins
“messenger” mRNA – transcribes DNA’s message

10. “ribosomal” rRNA – translates the mRNA
overview
cyclins
“ribosomal” rRNA – translates the mRNA

11. “transfer” tRNA – carries amino acids
overview
cyclins
“transfer” tRNA – carries amino acids

12. The picture is most similar to what type of RNA?
Question #1
The picture is most similar to what type of RNA?
cyclins

13. The picture is most similar to what type of RNA?
Question #2
The picture is most similar to what type of RNA?
cyclins

14. The picture is most similar to what type of RNA?
Question #3
The picture is most similar to what type of RNA?
cyclins

15. Don’t forget to chunk your notes!

16. The sugar is ______ in RNA.
How is it different?
ribose
The sugar is ______ in RNA.
ribose

17. How is it different?
single
RNA is ______ stranded.
single

18. RNA uses _____ instead of Thymine.
How is it different?
Uracil
RNA uses _____ instead of Thymine.
Uracil

19. Tell me about the picture. Defend your answer.
Question #4
Tell me about the picture. Defend your answer.
DNA because: double stranded, base T

20. Tell me about the picture. Defend your answer.
Question #5
Tell me about the picture. Defend your answer.
RNA because: single stranded, base U

21. How is it different?
DNA G C T A
RNA C G A U

22. Don’t forget to chunk your notes!

23. Protein: made up of _____ ______
Protein synthesis
Amino Acids
Synthesis: “to make”
Protein: made up of _____ ______
amino
acids

24. mRNA is transcribed from DNA
Protein synthesis
Step #1
mRNA is transcribed from DNA

25. Protein synthesis
Step #2
mRNA leaves nucleus

26. mRNA travels to a ribosome
Protein synthesis
Step #3
mRNA travels to a ribosome

27. The rRNA translates the mRNA
Protein synthesis
Step #4
The rRNA translates the mRNA

28. tRNA brings the correct ___ ___.
Protein synthesis
Amino Acid
Step #5
tRNA brings the correct ___ ___.
amino
acid

29. the amino acids link together to form a protein
Protein synthesis
Step #6
the amino acids link together to form a protein

30. Don’t forget to chunk your notes!

31. transcription C A T G
DNA Strand
“information”
During Transcription, mRNA copies the information stored in DNA to be used for protein synthesis.

32. To copy DNA, RNA nucleotides are added.
transcription G C
RNA nucleotides added U A C G A T
DNA Strand
“information”
To copy DNA, RNA nucleotides are added.

33. RNA nucleotides will pair RNA bases with the complementary DNA bases.
transcription C C G A T
DNA Strand
“information”
RNA nucleotides will pair RNA bases with the complementary DNA bases.

34. transcription DNA Strand “information” covalent bond formed
catalyzed by RNA polymerase C C C G A T
DNA Strand
“information”

35. transcription C C U C G A T
DNA Strand
“information”

36. transcription C C U G C G A T
DNA Strand
“information”

37. transcription C C U G A C G A T
DNA Strand
“information”

38. transcription C C U G A A C G A T
DNA Strand
“information”

39. transcription C C U G A A G C G A T
DNA Strand
“information”

40. transcription C C U G A A G A C G A T
DNA Strand
“information”

41. transcription C U A G C G A T
DNA Strand
“information”

42. Once Transcription is finished, the New Strand forms mRNA.
New Strand is part of
messenger RNA C C U G A A G A G C G A T
DNA Strand
“information”
Once Transcription is finished, the New Strand forms mRNA.

43. transcription C A T G
DNA Strand
“information”
code for
an amino acid

44. transcription DNA Strand “information” C A T G code for
another amino acid

45. “CODON” : Every 3 bases on the mRNA is a code for an amino acid.
transcription
mRNA C U A G
Codon
Codon
Codon
“CODON” : Every 3 bases on the mRNA is a code for an amino acid.

46. Don’t forget to chunk your notes!

48. Protein Synthesis Project
Fold your white piece of paper in half (hamburger style).
Fold it in half again (hamburger style).
Draw in the creases with pencil to form 4 equal boxes on each side.
Number each box in the lower right hand corner (#’s 1 – 8).

49. Protein Synthesis Project
Box 1: Title Page
: “Protein Synthesis Project”
: By: Student Name
: Color
Box 2: Explain why DNA is important for protein synthesis.
Box 3: Step #1 (copy from your notes)
Box 4: Step #2 (copy from your notes)

50. Protein Synthesis Project
Box 5: Step #3 (copy from your notes)
Box 6: Step #4 (copy from your notes)
Box 7: Step #5 (copy from your notes)
Box 8: Step #6 (copy from your notes)
Once you are done writing down the text, pick a theme and draw a picture that appropriately symbolizes the process of Protein Synthesis (i.e. Spongebob, Avengers, etc.)