Chapter 13 - Viruses, Viriods, and Prions

Question 1

The unit used for viruses are ________.
The unit used for bacteria are ________.

Answer 1

nanometers
micrometers (microns)

Question 2

____________ contains genetic material: DNA or RNA

Answer 2

genetic core

Question 3

____________ surrounds and protects genetic core

Answer 3

capsid

Question 4

____________ is a group of viruses that share similar genetic information and ecological niche (host)

Answer 4

viral species

Question 5

A virally infected animal cell is detected via its deterioration, which is called _______________

Answer 5

cytopathic effect (CPE)

Question 6

MATCH: is the most common method for viral identification

Answer 6

serological tests

Question 7

____________ is required and phage causes lysis and death of the bacterial host cell.

Answer 7

lytic cycle

Question 8

____________ is optional and the host cell divides; phage does not cause death of host cell

Answer 8

lysogenic cycle

Question 9

____________ is a newly-formed, mature virus

Answer 9

virion

Question 10

MATCH: This/these stage(s) of the lytic cycle only occurs in bacteriophages.

Answer 10

penetration

Question 11

____________ is when the phage DNA integrates and remains dormant in a host cells; phage particle (protein) production is delated

Answer 11

lysogeny

Question 12

When phage DNA gets incorporated into bacteria host cell DNA it forms a ______________

Answer 12

prophage

Question 13

____________ is a consequence of lysogeny and is when non-pathogenic bacteria becomes pathogenic bacteria

Answer 13

phage conversion

Question 14

____________ is a consequence of lysogeny and the viruses hide out in tissue

Answer 14

latent viral infection

Question 15

MATCH: This/these stage(s) of the lytic cycle occurs in animal viruses

Answer 15

entry
uncoating

Question 16

After entry of capsid into animal host cell, __________________ to expose the viral DNA

Answer 16

protein capsid must be disintegrated

Question 17

When phage DNA gets incorporated into animal host cell DNA it forms a ____________

Answer 17

provirus

Question 18

Animal viruses RNA must get converted to DNA by enzyme, ____________

Answer 18

reverse transcriptase

Question 19

MATCH TO ANIMAL VIRUS FAMILY: HIV/AIDS/COVID-19

Answer 19

Retroviridae (RNA)

Question 20

MATCH TO ANIMAL VIRUS FAMILY: Shingles

Answer 20

Herpesviridae (DNA)

Question 21

MATCH TO ANIMAL VIRUS FAMILY: smallpox, cowpox

Answer 21

Poxviridae (DNA)

Question 22

____________ are infectious RNA molecules and cause plant diseases, like potato disease

Answer 22

Viroids

Question 23

____________ are infectious protein particles that are highly resistant and cause transmissible neurological diseases, like spongiform encephalitis. There is no cure.

Answer 23

Prions

Question 24

____________ are a rapid onset of symptoms and short-duration infection.

Answer 24

Acute viral infection

Question 25

____________ are hidden, inactive, dormant infection.

Answer 25

Latent viral infection

Question 26

____________ are a late onset of symptoms with long-duration and subclinical symptoms

Answer 26

Persistent/Chronic viral infection