Virus Bacteria

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

Tags

NGSS.MS-LS1-1

What do you need to be able to see bacteria?

• Microscope

• Telescope

• Sunglasses

• 3D Glasses

What shape is bacteria?

• Round

• Straight

• Twisted

• All of these

Tiny single-celled organisms that live almost everywhere

• ribosomes

• cytoplasm

• bacteria

• virus

One of the reasons that viruses are nonliving is that they...

• Cannot reproduce by themselves

• Have no DNA or RNA

• overproduce too quickley to be attacked

The chicken pox is spread via contact from person to person. In order to prevent getting the chicken pox, you can get a vaccination. Is chicken pox caused by a virus or a bacterium?

• Bacterium

• Virus

Bacteria are prokaryotes, meaning they ________.

• lack a nucleus

• are very large

• contain no DNA

• have a cytoplasm

All viruses are different, but what are two parts that a virus must have?

• Genetic Information (DNA or RNA)

• a lipid membrane

• a nucleus

• a protein coat

What is the name of this virus

• Capsule

• Helical

• Bacteriophage

• Teva (my dog)

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

• protein coat

• Capsid

• DNA/ RNA

• Envelope