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DNA Structure and Replication Test Review
Part A: DNA Structure
1. Draw and label a DNA nucleotide.
2. What are the four nitrogen bases? (Write out their full names)
3. What are the 3 parts of a nucleotides?
4. Which nitrogen bases pair together?
5. In the structure of DNA what part makes up the ladder rungs?
6. In the structure of DNA what part makes up the ladder railings?
7. Which bases are purines? Which bases are pyrimidines?
Part B: DNA Replication
8. During what phase of the cell cycle does DNA replication occur?
9. When DNA is copied each new strand is half ______ and half _______.
10. This is the original DNA strand, make a complementary strand.
ATCGGTAGCTAGCAT
11. The purpose of DNA is to help the ribosomes make ____________.
12. Where did the DNA in our cells come from?
13. What do all cells have in common?
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