1. Do now activity #1 Please take out a piece of lined paper.
Write your name and period.

2. Do now activity #1
What is the difference between amino acid, protein, and ribosome?
What is the difference between DNA and RNA?
Why do cells need a nucleus?

3. Section 2-1: DNA Structure
Essential Question
Describe all possible types of DNA monomers.
Section 2-1: DNA Structure
Learning Targets
Explain how the structure of DNA determines the structure of proteins.

4. **There will be NO MAKE-UPS for this lab**
announcements
Biology Tutoring this week
Lunch B (Tuesday & Thursday)
7:00AM (Monday – Friday)
No after school Biology Tutoring this week.
Lab is scheduled for 09/07/16*
**There will be NO MAKE-UPS for this lab**

5. Don’t forget to chunk your notes!

6. DNA is like a set of instructions.
overview
cyclins
DNA is like a set of instructions.

7. Some people think of DNA as map of directions.
overview
cyclins
Some people think of DNA as map of directions.

8. And others think DNA is like a recipe.
overview
cyclins
And others think DNA is like a recipe.

9. Function of DNA: Stores genetic ____ .
overview
cyclins
Function of DNA: Stores genetic ____ .

10. DNA Structure: Double helix made of nucleotides.
cyclins

11. Don’t forget to chunk your notes!

12. Each nucleotide is made of 3 parts.
DNA Structure
Each nucleotide is made of 3 parts.
cyclins

13. DNA Structure
1. Deoxyribose
cyclins

14. DNA Structure
1. Deoxyribose 2. Phosphate
cyclins

15. DNA Structure
Deoxyribose
Phosphate
3. Base
cyclins

16. What are all the parts of a nucleotide?
Question #1
What are all the parts of a nucleotide?

17. Base pairs
Describe what you see.
cyclins

18. Don’t forget to chunk your notes!

19. Base pairs
Describe what you see.
cyclins

20. Base pairs
cyclins

21. Base pairs Purines Pyrimidines Adenine Thymine Guanine Cytosine
hydrogen bonds
cyclins

22. Purines attach to pyrimidines
Base pairs
Purines attach to pyrimidines
cyclins

23. Adenine attaches to ___?___ .
Base pairs
Adenine attaches to ___?___ .
cyclins

24. Base pairs
___?___
attaches to Cytosine .
cyclins

25. According to the picture, which part is interchangeable?
Question #2
According to the picture, which part is interchangeable? A C B

26. Double helix
DNA is double stranded.
cyclins

27. Don’t forget to chunk your notes!

28. The DNA strands are anti-parallel
Double helix
The DNA strands are anti-parallel
cyclins