Describe the structural features of viruses.

A virus is the smallest symmetrical structure built from repeating elements. A virus is a nucleic acid (DNA or RNA) particle enclosed in a protein shell – a capsid.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.