Virions are physical entities containing nucleocapsid, capsid and sometime envelop. It exists extracellularly. Viruses are genetic material that occur intracellularly
There is 23 chromosomes in one gamete
A force is a push or a pull. When one object pushes or pulls another object, you say that the first object is exerting a force on the second object.
This illustration is trying to demonstrate something that mitosis is not. In mitosis the cells are created are to rebuild and repair the muscles in the body when it get damaged.