Baltimore Classification of viruses

Question 1

Class I starting genome, genome replication

Answer 1

dsDNA (+/-) virus, Classical semiconservative

Question 2

Class II starting genome, genome replication

Answer 2

ssDNA (+) virus, Classical semiconservative, discard (-) strand

Question 3

Class VII starting genome, genome replication

Answer 3

dsDNA (+/-) virus, transcription followed by reverse transcription

Question 4

Class III starting genome, genome replication

Answer 4

dsRNA (+/-) virus, make ssRNA (+), and transcribe from this to give ssRNA (-) partner

Question 5

Class IV starting genome, genome replication

Answer 5

ssRNA (+) virus, make ssRNA (-) and transcribe from this to give ssRNA (+) genome

Question 6

Class V starting genome, genome replication

Answer 6

ssRNA (-) virus, make ssRNA (+) and transcribe from this to give ssRNA (-) genome

Question 7

Class VI starting genome, genome replication

Answer 7

ssRNA (+) retrovirus, make ssRNA (+) genome by transcription of (-) strand of dsDNA, reverse transcription into a dsDNA intermediate in the genome of host

Question 8

Name DNA virus classes

Answer 8

Classes I, II, VII

Question 9

Name RNA virus classes

Answer 9

Classes III, IV, V, VI

Question 10

Example of Class I

Answer 10

Herpesvirus

Question 11

Example of Class II

Answer 11

Parvovirus

Question 12

Example of Class III

Answer 12

Reovirus

Question 13

Example of Class IV

Answer 13

Picornavirus

Question 14

Example of Class V

Answer 14

Orthomyxoviruses

Question 15

Example of Class VI

Answer 15

Retroviruses

Question 16

Example of class VII

Answer 16

Hepadnaviruses