Viruses

Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?

• lytic
• mitosis
• lysogenic
• S phase

Why do scientists classify viruses as non-living?

• They DO respond to a stimulus
• They need a host's energy because they do not have their own energy 
• They produce wastes
• They are really small 

Antibiotics only work against what organisms ?

• viruses

• bacteria

• prions

The head of the bacteriophage sits on a long ____________.

• DNA

• tail fibers

• tail

Viruses can affect which types of organisms? SELECT ALL

• plants

• animals

• bacteria

• bricks

Influenza is caused by a ___________________.

• virus

• bacteria

• prion

Which is not one of the 6 characteristics of all living things?

• Needs oxygen 
• Grows and Develops
• Reproduces
• Made of Cells

Tags

NGSS.HS-LS3-1

Can a virus change the normal activity of a cell?

• No
• Maybe
• Yes

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

What is the first step of the virus reproduction cycle?

• The viruses genetic material (DNA) starts to take over the functions of the cell
• The host cell bursts open, releasing the new viruses
• The virus injects its genetic material into the cell
• A virus attaches to the surface of a host cell

Which is bigger, a bacteria or a virus?

• Bacteria
• Virus