Figure 1. Schematic diagram of coronavirus particle. The 26-32 kb long viral genome RNA is encapsidated in nucleocapsid (N) protein which is enclosed by the bilayer membrane. The membrane (M), envelope (E) and Spike (S) proteins are located and interspersed on the bilayer membrane.

From

Understanding COVID-19 - A Molecular Perspective

Michael O. Okpara, Miebaka Jamabo

American Journal of Infectious Diseases and Microbiology. 2020, 8(2), 64-74 doi:10.12691/ajidm-8-2-4