1.) What type of interaction is directly responsible for the formation of secondary structure?
A. hydrogen bonds between sections of the polypeptide backbone
B. peptide bonds between nonadjacent amino acids
C. hydrogen bonds between side chains of amino acids
D. hydrogen bonds between two polypeptide chains
E. peptide bonds between adjacent amino acids

2.) Both DNA and RNA synthesis have in common:
A.Using base pairing rules to determine the sequence of the growing strand.
B. Synthesis in the 5'-3' direction
C. The need for a primer
D. Two of the above
E. All of the above