Figure 2.
The graphics of the structural components of different levels. (a) Three DNA base pairs. (b) A DNA double helix. (c) A sticky end. (d) A motif (4 × 4 tile). (e) A motif array.
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.