Virus

Question 1

Prokaryotes (ribosomes and example)

Answer 1

70s and bacteria

Question 2

Eukaryotes (ribosomes and example)

Answer 2

80s and fungi/humans

Question 3

Virus

Answer 3

• has RNA OR DNA (not both)
• surrounded by capsid (protein shell)
• final surrounded: envelop of phospholipids and glycoproteins

Question 4

Envelope (virus)

Answer 4

-herpvirus and rabies

Question 5

Non-enveloped (virus)

Answer 5

adenovirus

Question 6

Capsid

Answer 6

houses DNA or RNA

Question 7

RNA viruses (3 types)

Answer 7

1) positive stranded
2) negative stranded
3) RNA of retroviruses

Question 8

Types of RNA viruses (shapes)

Answer 8

1) Icosahedral
2) Helical
3) Complex
4) Helical Enveloped
5) Complex Coat

Question 9

Orthomyxoviridae

Answer 9

• influenza viruses A,B,C

- HA can attach to host (upper resp tract –> absorption)

Question 10

Paramyxoviridae

Answer 10

• mumps
• -lymph nodes
• measles
• -10 day incubation
• parainfluenza virus
• -croup in children
• -stridor, barking cough
• respiratory syncytial virus
• -winter and spring in children

Question 11

RNA virus Infecting Liver

Answer 11

Hep A, C, D, E, G

*hep B - DNA virus

Question 12

Coronaviridae

Answer 12

• Corona virus: cx of cold

- SARS

Question 13

Picornaviridae

Answer 13

• rhinovirus

- hand to hand spread

Question 14

Coxsackie viruses A and B

Answer 14

• picornaviridae

- A; herpangina - small red-based vesicle over back of throat

Question 15

Rhabdoviridae

Answer 15

rabies (envelope virus)

Question 16

DNA Viruses

Answer 16

• DNA cannot be translated DIRECTLY into proteins –> must first be transcribed by mRNA
• every DNA has (-) and (+) strand

Question 17

Poxviridae

Answer 17

• smallpox

- molluscum contagiosum

Question 18

Herpesviridae

Answer 18

• latent state

- multinucleated giant cells and intranuclear inclusion bodies (on smear)