Viruses

Front

What is the last step in the viral reproduction cycle?

Back

The host cell bursts open, releasing the new viruses.

Front

What is a common shape for viruses?

Back

Spherical.

Front

Viruses are classified as...

Back

Non-living.

Front

How does a virus cause a person to develop the common cold?

Back

It invades the host cell to reproduce.

Front

What do viruses need to reproduce?

Back

They need a host cell.

Front

What is a virus?

Back

A virus is a microscopic infectious agent that can only replicate inside the living cells of an organism.

Front

What is the structure of a virus?

Back

Viruses typically consist of genetic material (DNA or RNA) surrounded by a protein coat called a capsid.

Front

What is the difference between a virus and a bacterium?

Back

Viruses are non-living and require a host to reproduce, while bacteria are living organisms that can reproduce independently.

Front

What is a viral infection?

Back

A viral infection occurs when a virus enters a host organism and begins to replicate, often causing disease.

Front

What is the role of the host cell in viral reproduction?

Back

The host cell provides the necessary machinery and environment for the virus to replicate.