Bacteria and Viruses

What do you need to be able to see bacteria?

• Microscope

• Telescope

• Sunglasses

• 3D Glasses

Where are bacteria located?

• No where.

• Every where!

• Only in the restroom.

• On my hands only.

What shape is bacteria?

• Round

• Straight

• Twisted

• All of these

The region inside the cell membrane of a bacterium

• bacteria

• endospore

• cytoplasm

• decomposers

Tiny single-celled organisms that live almost everywhere

• ribosomes

• cytoplasm

• bacteria

• virus

Bacteria are prokaryotes, meaning they ________.

• lack a nucleus

• are very large

• contain no DNA

• have a cytoplasm

Which of these statements is true?

• A virus is unicellular, it has only one cell.

• A virus may sometimes be multicellular, have many cells.

• A virus has no cells

A viruses are considered

• Living

• Non-living

When a virus attaches to a host, what does it inject into the host

• protein coat

• Capsid

• DNA/ RNA

• Envelope

Viruses require a host cell to

• Breathe and eat

• Replicate

• Move and sleep

• Make protein and carbohydrates