Viruses

Front

What are spike proteins?

Back

Spike proteins are structures on the surface of viruses that allow them to attach to and enter host cells.

Front

Do all viruses have a lipid layer?

Back

No, many viruses have a lipid layer, but not all. Some viruses are non-enveloped.

Front

What is the cellular structure of a virus?

Back

A virus has no cells; it is acellular and does not have a cellular structure.

Front

How does soap destroy viruses?

Back

Soap destroys viruses by breaking up their lipid layer, allowing them to be washed away.

Front

What organelles do viruses have?

Back

Viruses have no organelles because they are not made of cells and are considered non-living.

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

Can viruses be classified as living organisms?

Back

Viruses are not classified as living organisms because they cannot reproduce or carry out metabolic processes on their own.

Front

What is the role of the lipid layer in some viruses?

Back

The lipid layer protects the virus and helps it to enter host cells.

Front

What happens to a virus when it is exposed to soap?

Back

The soap disrupts the virus's lipid layer, effectively inactivating it.

Front

What is the difference between enveloped and non-enveloped viruses?

Back

Enveloped viruses have a lipid layer surrounding them, while non-enveloped viruses do not.