Fig. 2.
Ultrathin transmission electron microscopy cross-sections showing species with atypical chloroplast shapes and sizes: (A) Selaginella uncinata, (B) Cycas revoluta and (C) Macrozamia riedlei.
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.