Viruses L.C. Biology

True or False
The flu is caused by a virus.

• true
• false

Antibiotics kill viruses

• True
• False

A(n) _____ is a virus that enters a bacterial cell.

• endospore
• decomposer
• plasmid
• bacteriophage

When a virus invades a living cell, its _______
takes over the cell's functions.

• outer coat
• genetic material
• core
• cytoplasm

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

• invades the host cell to reproduce
• removes energy from the host cell
• produces toxins in the host cell
• protects the host cell from bacteria

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

What helps prevent viral diseases?

• Vaccines
• Antibiotics
• Herbal tea
• Gene Therapy

A pathogen.........

• makes proteins
• causes infection or disease
• is made of cells
• is a living thing

Can a virus change the normal activity of a cell?

• No
• Maybe
• Yes

Is a virus considered living or non-living?

• Living
• Non-Living
• Neither