1. DNA
... -nucleotides. We say that adenine is complementary to thymine and cytosine is complementary to guanine. In order for the base pairs to form, the polynucleotides have to run in opposite directions. We say that two polynucleotide strands are antiparallel. Finally, when the base pairs form they twist the polynucleotides into a helix in which there are 10 base pairs for every one ... ...
- Word Count: 1535
- Approx Pages: 6
- Has Bibliography
- Grade Level: High School