1. DNA Review

2. Every nucleotide is made up of… 1.Sugar 2.Phosphate 3.Nitrogen base 4.All of the above

3. A Particular strand of DNA contains 10 adenine molecules. How many thymine will it contain: 1.5 2.10 3.20 4.Not enough information 1234567891011121314151617181920 2122232425

4. A strand of DNA is 20% Guanine molecules. What is the percent of thymine in the strand of DNA? 1.10 2.20 3.30 4.40 5.Not enough information 1234567891011121314151617181920 2122232425

5. A particular strand of DNA is 40% guanine. What is the percent of adenine in the same strand? 1.10 2.20 3.30 4.40 1234567891011121314151617181920 2122232425

6. The backbone of a DNA molecule is made of which two components? 1.phosphate molecules and ribose sugars 2.deoxyphosphate molecules and ribose sugars 3.phosphate molecules and deoxyribose sugars 4.deoxyphosphate molecules and deoxyribose sugars 1234567891011121314151617181920 2122232425

7. The molecule at the location identified by the arrow: 1.Adenine 2.Guanine 3.Sugar 4.Phosphate 5.thymine 1234567891011121314151617181920 2122232425

8. The functional group at the location identified by the arrow: 1.Adenine 2.Guanine 3.Sugar 4.Phosphate 5.thymine 1234567891011121314151617181920 2122232425

9. The molecule at the location identified by the arrow: 1.Adenine 2.Guanine 3.Sugar 4.Phosphate 5.thymine 1234567891011121314151617181920 2122232425

10. The end of the molecule identified by the blue arrows: 1.Five prime 2.Three prime 1234567891011121314151617181920 2122232425

11. The end of the molecule identified by the red arrows: 1.Five prime 2.Three prime 1234567891011121314151617181920 2122232425

12. Because the sides of the DNA ladder run in opposite directions, DNA is said to be… 1.Parallel 2.Nonparallel 3.Antiparallel 4.proparallel 1234567891011121314151617181920 2122232425

13. Watson and Crick were the first to suggest that DNA is _____. 1.a short molecule 2.the shape of a double helix 3.a protein molecule 4.the genetic material 1234567891011121314151617181920 2122232425