Viruses: From their Non-Cellular Nature to their Role in Infectious Diseases

A ______ is a noncellular, small, infectious agent that is simply genetic information enclosed in a protein coat.

virus

A Virus is a noncellular, small, infectious agent that is simply genetic information enclosed in a protein coat. Viruses are considered non-living because they cannot replicate by their own and do not contain all the elements required to carry out life functions. They need to invade and hijack living cells in order to replicate and reproduce. Once inside a host cell, the virus uses its genetic material to take over the host’s cellular machinery, making multiple copies of itself, thus spreading the infection. Viruses can cause diseases ranging from common cold and flu to more severe diseases like HIV/AIDS, Ebola, and COVID-19.

More Answers:

A Comprehensive Guide to Genetic Material in Different Types of Viruses: DNA, RNA, Reverse Transcription, and More.
Exploring the Components of Viruses: Genetic Material, Protein Coat, and Glycoproteins
Unique Characteristics of Viruses: Lipid Envelope and Tail Fibers.

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