Viruses

Front

What is a virus?

Back

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

Front

How do viruses reproduce?

Back

Viruses reproduce by infecting a host cell and using the cell's machinery to make copies of themselves.

Front

Are viruses considered living organisms?

Back

No, viruses are not considered living organisms because they cannot carry out life processes on their own.

Front

What is the size comparison between viruses, bacteria, and cells?

Back

Viruses are smaller than both bacteria and cells.

Front

Can antibiotics cure viral infections?

Back

No, antibiotics are ineffective against viruses; they only work on bacterial infections.

Front

Do all viruses cause illness?

Back

No, not all viruses cause illness; some can be harmless or even beneficial.

Front

What is the structure of a virus?

Back

A virus typically consists of genetic material (DNA or RNA) surrounded by a protein coat called a capsid.

Front

What is a host cell?

Back

A host cell is a living cell that a virus infects to reproduce.

Front

What is the difference between a virus and bacteria?

Back

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

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.