A peptide nucleic acid (turquoise backbone) can bind to a strand of DNA (orange backbone) if their nucleobase sequences are complementary. Credit: J. Am. Chem. Soc.
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.