Bacteria & Viruses

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

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

Viruses require a host cell to

• Breathe and eat

• Replicate

• Move and sleep

• Make protein and carbohydrates

Which processes allows for the viruses DNA to lay "dormant" or hide in the host DNA while the cell reproduces?

• Lytic

• Lysogenic

• Enveloped

• Capsid

As a virus changes over time, it can affect different systems within the organism. This change of the virus is called a _______________.

• mutation

• melanin

• metaphysics

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is used to "cure" a virus

• antirbiotic

• Rest

• Vaccine

• Viruses have no cure

Antibiotics work to cure viruses?

• True

• False

Which is smaller, a virus or a bacteria?

• virus
• bacteria