1) When nucleotides join to form a nucleic acid, what type of bond occurs between the sugar and phosphate group?
2) Determine the bases of the complementary strand of DNA given one strand of the helix
3) What would happen to a molecule of DNA that has been treated with enzymes that break down the covalent bonds that join nucleotides together?
4) Why do researchers reject the idea that DNA was found in the first life form?
5) What are the effects of changing a single amino acid in a protein?