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1. Describe what DNA looks like.

2. Some parts of DNA are used for structure, and some are code to make proteins. The three parts of DNA are sugar, phosphate, and nitrogenous bases. Which one of these actually codes for proteins?

3. What are the four letters that represent the nitrogenous bases?

4. Chose one of the four letters in problem three and write it and its partner.

5. True or false: Direction matters in DNA.

6. Describe a translocation mutation. (Remember the poem)

7. Why do deletion mutations cause problems?

8. What is an insertion mutation?

9. Explain what cancer is, and how it relates to DNA.

10. Using the word "unzip," explain how DNA makes copies.