FA VIRO

Question 1

Exchange of two genes b/t 2 chromosomes by crossing over in regions of sequence homology

Answer 1

Recombination

Question 2

Segmented genomes exhange segments.

Answer 2

Recombination

Question 3

This bug has a segmented gene and a high- frequency recombination

Answer 3

Influenzae

Question 4

One of two viruses first enters a cell and produces a non-functional protein. The second virus enters and produces a functionl protein used by both viruses

Answer 4

Complentation

Question 5

When 2 viruses enters a cell at the same time. Virus A gets partially coated with the surface proteins of virus b. Type B surface proteins determines infectivity of both viruses. Type A progeny will have surface protein A

Answer 5

Phenotypic mixing

Question 6

Mainly all of these viruses are DOUBLE stranded

Answer 6

DNA

Question 7

This DNA virus is SINGLE stranded

Answer 7

Parvovirus-

“ all dsDNA except part-of a-virus- parvoviridae

Question 8

All DNA are linear EXCEPT

Answer 8

papilloma. polyoma, hepDNA( partially circular)

Question 9

Mainly are RNA viruses have how many strands?

Answer 9

SINGLE STRAND

Question 10

This RNA virus is DOUBLE STRANDED

Answer 10

REOVIRUS

Question 11

Mainly all of these RNA viruses are Positive Sense

Answer 11

I went to a RETRO, TOGA, party where I drank FLAVORED CORONA and ate HIPPY CALIFORNIA PICKLES

retroviridae, toga virus, Flavivirus, coronavirus, hepevirus, calcivirus, picornovirus

Question 12

List the “Naked” envelope RNA and DNA viruses..

GIVE PAPP smears and CPR to a naked HIPPY

Answer 12

DNA= PAPP
p=papilloma, A=adenovirus, p=polyoma,p=parvovirus

CPR HIPPY
C=corona, P=picorna, R=Reovirus HIPPY= Hepevirus

Question 13

NAME all of the DNA viruses.

HHAPPPPy

Answer 13

Herpes
Hepadna (HBV) 
Adenovirus 
P-papilloma 
P-polyoma 
Parvovirus 
Poxvirus

Question 14

All DNA viruses are icosohedral Except:

Answer 14

Poxvirus

Question 15

All DNA viruses replicate in the nucleus EXCEPT

Answer 15

Poxvirus