Viruses

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

Is a virus considered living or non-living?

• Living
• Non-Living
• Neither

Can a virus change the normal activity of a cell?

• No
• Maybe
• Yes

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-1

What is a host?

• Organism that lives on the cell and causes it harm 
• Something that causes harm to the cell 
• Cell that the virus invades and takes over

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 

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

What do viruses need to reproduce?

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

True or False
The flu is caused by a virus.

• true
• false

Reasons that viruses are considered to be nonliving is because

• They are not cellular
• They cannot reproduce on their own
• They cannot make proteins
• all of the above

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

• outer coat
• genetic material
• core
• cytoplasm

Tags

NGSS.MS-LS1-3