Question

what is virus and what it is made up of please answer fast​

Answer 1

Virus

Explanation:

• Virus can be defined as an infectious agent , that is in its  living form only inside the host.
• They can infect a variety of organisms , including bacteria , animals, plants etc.
• They multiply within the host organism by using its machinery and kill the host.
• They contain either RNA or DNA , a protein coat also called capsid is present which surrounds the nucleic acid .
• They are living only inside the host and dead outside the host , they can be stored in crystal form.