Q36. Is there always be an equal number of adenine and thymine nucleotides in molecule? Why?
Q37. Is there always going to be an equal number of guanine and cytosine nucleotides in a molecule? Why?
Q38. The side of the ladder are made up of alternating ______ and _______ molecules. The steps (or rungs) of the ladder are made up of ______ held together by hydrogen bonds.