Virion is a _____.

Step-by-step solution

Virus is an infectious agent having a genetic material enclosed by an organic material that can replicate inside a host organism. Viruses are known to infect all forms of living organisms. A fully assembled virus that has not infected any host cell is called virion. It is a complete functional virus that has the capacity to infect host cell. Extracellular viruses are also called virion.