Viruses and Bacteria

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

What do viruses need to reproduce?

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

Which shape describes some bacterial cells?

• cube-shaped
• bullet-shaped
• spiral
• robotlike

Unlike the cells of eukaryotes, the cells of bacteria do not have

• a nucleus
• cell walls
• flagellum
• cells

Tags

NGSS.MS-LS4-2

Some bacteria move by using a long, whip-like structure called a(n) ____________________

• tail
• cillia
• organs
• flagellum

What is found in the cytoplasm of bacteria cells?

• The DNA
• The Nucleus
• the protein coat
• the flagellum

What is prokaryotic?

•  An organism that lacks a nucleus
• An organism that is harmful to bacteria
• An organism that has a nucleus
• the organ that helps bacteria move

A virus needs a/an___________to reproduce.

• organism
• dead cells
• host
• partner