Viruses and Cells

A virus consists of:

• RNA or DNA and a cell membrane

• RNA or DNA and a protein coat

• RNA and DNA and a protein coat

• proteins, cell membrane, and RNA

What happens after the virus has been taken up by the cell?

• it begins making protein

• it divides, or replicates

• it inserts into the host DNA

• it switches to infectious mode

What is the outside protective coating of a virus made of?

• lipids

• carbohydrates

• protein

• carbon

True or False: Most viruses are so small that they can't be seen with with the unaided eye (basically saying we can't see them unless we have a microscope)

• True

• False

Why do viruses need a host cell?

• because they cannot reproduce on their own

• because they need a nucleus

What is the outside, protein coat on a virus called?

• genetic material

• capsid

• envelope

• tail fibers

Where are bacteria located?

• No where.

• Every where!

• Only in the restroom.

• On my hands only.

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

A virus that infects a bacteria is called a

• Pathogen

• Bacteriophage

• Infection

• Vaccine