The four nitrogen-containing bases are responsible for the double helix structure of DNA. Using the structure of thymine and the structure of adenine, draw a diagram to explain how thymine is able to play a role in forming a double helix. Identify the type of interactions between the two bases.
Important Questions on Biochemistry
Describe how the order in which the four nitrogen-containing bases occur in DNA provides the information necessary to synthesize proteins in a cell.
It is now possible to purchase a work of art made from your own DNA profile. Outline the role that restriction enzymes play in making a DNA profile.
Draw the scheme for a condensation reaction that produces uridine monophosphate from a nitrogenous base, pentose sugar, and phosphoric acid.
Identify three different functional groups in uridine monophosphate molecule by drawing circles around these groups and stating their names.
State two differences in composition and one difference in structure between RNA and DNA.
Describe the structure of a nucleotide of DNA.
Outline how nucleotides are linked together to form polynucleotides.
Outline the steps involved in the DNA profiling of a blood sample.
