Characteristics of bacteria & viruses

What type of cell are bacteria?

• eukaryote
• prokaryote
• animal
• plant

Prokaryotes have a membrane-bound nucleus.

• True
• False

Viruses have all 8 characteristics that living things share.

• True
• False

Scientists classify viruses as nonliving.

• True
• False

Viruses require a host cell to

• breathe and eat
• move and sleep
• replicate and use energy
• make protein and carbohydrates

Tags

NGSS.HS-LS1-7

Viruses are difficult to treat because they

• are very very sneaky
• they are constantly mutating
• they are immune to all medicines
• they move too fast to catch

An antibody is

• any substance that causes an immune response in your body
• a genetic pathway
• a protein that flags an invading bacteria in your body
• the cell that engulfs and destroys invaders in your body

Conjugation is

• sexual reproduction
• the passing of a DNA plasmid from one bacteria to another
• the joining of sentences with the words "and" or "or"
• the way bacteria make food

Tags

NGSS.MS-LS3-2

Can a virus change the normal activity of a cell?

• No
• Maybe
• Yes

Tags

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