PDF DNA Replication Worksheet - Socorro Independent School District T or F - A nucleotide is made up of a sugar, phosphate and two nitrogen bases. T or F - Replication is performed prior to cell division. T or F - Adenine always pairs with guanine. T or F - Complementary base pairing matches up complementary sugars. T or F - The sides of the DNA molecule are made up of repeating nitrogen bases and sugars.