Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Watson- and Crick-strand definitions
| Definition | Watson | Crick |
|---|---|---|
| Original | cytosine-poor | cytosine-rich |
| Compositional | pyrimidine-rich | purine-rich |
| Transcriptional | antisense | sense |
| Replicational | lagging | leading |
| Arbitrary | this | that |
| Database | top/plus | bottom/minus |
| 5' to 3' | left to right (top or left-hand) | right to left (bottom or right-hand) |
