Lecture 6 Review Questions (Viruses)

Front 1

What is the protein coat of a virus called?

Back 1

Capsid

Front 2

What are produced by our immune system as a response to a viral infection?

Back 2

Antibodies

Front 3

The spectrum of cells a virus can infect is considered what?

Back 3

Host range

Front 4

What is a virus that only infects bacteria?

Back 4

Bacteriophage

Front 5

During ____________, the virus is attaching to the host cell by specific binding.

Back 5

Adsorption

Front 6

What are viruses that can alter the host DNA and cause cancer?

Back 6

Oncogenic

Front 7

Viruses surrounded by a host cell's plasma membrane are ________________, but those that do not have a membrane surround their capsid are ____________.

Back 7

Enveloped; naked

Front 8

In bacteriophage, which term is used to describe when the virus inserts into the chromosome and becomes dormant? What about in animal viruses?

Back 8

Lysogeny; latency

Front 9

True or false (if false, create true statement): Viruses are the smallest cells on the planet.

Back 9

True (I think)

Front 10

True or false (if false, create true statement): The Pox virus has a large complex capsid structure.

Back 10

True

Front 11

True or false (if false, create true statement): Bacteriophages can multiply on their own.

Back 11

False, they need a host cell to replicate.

Front 12

True or false (if false, create true statement): Both naked viruses and enveloped viruses have viral spikes on their surface.

Back 12

True

Front 13

True or false (if false, create true statement): The spikes on the HIV virus allow it to bind all eukaryotic cells.

Back 13

False; They bind to specific receptors and specific eukaryotic cells only.

Front 14

At what stage of the animal viral replication cycle are new viral proteins and RNA made?

Back 14

Synthesis

Front 15

Enveloped viruses usually get their envelope from a host cell's what?

Back 15

Plasma membrane

Front 16

What are viroids?

Back 16

Short pieces of naked RNA

Front 17

Which viral capsid structure consists of a long hollow tube?

Back 17

Helical