Single piece of (+) ssRNA translated into viral proteins by host ribosome (+) ssRNA translated into viral proteins by host ribosomes Single (+) ssRNA used as template to make (-) ssRNA by viral polymerase (+) ssRNA put into capsids (-) ssRNA used as template to make additional copies of (+) ssRNA by viral pol. (+) ssRNA packaged into capsids Viral proteins made from (+) ssRNA by host ribosomes dsDNA is transcribed to make (+) ssRNA by host RNA pol (+) ssRNA used as template to make complementary ssDNA by viral reverse transcriptase ssDNA used as template to make complementary second DNA strand ssRNA translated into protein by host ribosomes dsDNA replicated by either host or viral DNA polymerase dsDNA packaged into viral capsids Host RNA pol transcribes dsDNA transcribed to make as mRNA (+) ssRNA translated into viral proteins by host ribosomes (-) ssRNA put into capsids (-) ssRNA used as template to make (+) ssRNA by polymerase in virus particle (+) SSRNA used as template to make additional (-) ssRNA by viral polymerase For each diagram of the replication of a type of virus, determine which type of virus (dsDNA, (+) ssRNA, (-) ssRNA, or RNA retrovirus) is being depicted and match the description of the steps with the numbers in the diagram. See Fig 6.11, Fig 6.13 and Fig 20.23 for help. Note you do not need to turn in pages with the figures. Diagram A: Replication of _____ ssRNA translated into protein by host ribosomes dsDNA replicated by either host or viral DNA polymerase dsDNA packaged into viral capsids Host RNA pol transcribes dsDNA transcribed to make as mRNA Diagram B: Replication of _____ (+) ssRNA translated into viral proteins by host ribosomes (-) ssRNA put into capsids (-) ssRNA used as template to make (+) ssRNA by polymerase in virus particle (+) SSRNA used as template to make additional (-) ssRNA by viral polymerase Diagram C: Replication of _____ Single piece of (+) ssRNA translated into viral proteins by host ribosome (+) ssRNA translated into viral proteins by host ribosomes Single (+) ssRNA used as template to make (-) ssRNA by viral polymerase (+) ssRNA put into capsids (-) ssRNA used as template to make additional copies of (+) ssRNA by viral pol. Diagram D: Replication of _____ (+)ssRNA packaged into capsids Viral proteins made from (+) ssRNA by host ribosomes dsDNA is transcribed to make (+) ssRNA by host RNA pol (+) ssRNA used as template to make complementary ssDNA by viral reverse transcriptase ssDNA used as template to make complementary second DNA strand Solution Diagram D - replication of (+ve) strand RNA virus. 1) SnDNA is formed by reverse transcription. 2) SsDNA used as a template to make more copies. 3) Transcription of dsDNA to form ssRNA.. 4) Viral protein formation by host ribosomes 5) (+) ssRNA packed into capsid. Diagram A- replication of dsDNA virus. 1) the multiple copies are formed of dsDNA 2) host RNA polymerase perform transcription to RNA. 3) ssRNA translation 4) viral capsid packaging. Diagram B-.

1. Single piece of (+) ssRNA translated into viral proteins by host ribosome (+) ssRNA translated
into viral proteins by host ribosomes Single (+) ssRNA used as template to make (-) ssRNA by
viral polymerase (+) ssRNA put into capsids (-) ssRNA used as template to make additional
copies of (+) ssRNA by viral pol. (+) ssRNA packaged into capsids Viral proteins made from
(+) ssRNA by host ribosomes dsDNA is transcribed to make (+) ssRNA by host RNA pol (+)
ssRNA used as template to make complementary ssDNA by viral reverse transcriptase ssDNA
used as template to make complementary second DNA strand ssRNA translated into protein by
host ribosomes dsDNA replicated by either host or viral DNA polymerase dsDNA packaged
into viral capsids Host RNA pol transcribes dsDNA transcribed to make as mRNA (+) ssRNA
translated into viral proteins by host ribosomes (-) ssRNA put into capsids (-) ssRNA used as
template to make (+) ssRNA by polymerase in virus particle (+) SSRNA used as template to
make additional (-) ssRNA by viral polymerase For each diagram of the replication of a type of
virus, determine which type of virus (dsDNA, (+) ssRNA, (-) ssRNA, or RNA retrovirus) is
being depicted and match the description of the steps with the numbers in the diagram. See Fig
6.11, Fig 6.13 and Fig 20.23 for help. Note you do not need to turn in pages with the figures.
Diagram A: Replication of _____ ssRNA translated into protein by host ribosomes dsDNA
replicated by either host or viral DNA polymerase dsDNA packaged into viral capsids Host
RNA pol transcribes dsDNA transcribed to make as mRNA Diagram B: Replication of _____
(+) ssRNA translated into viral proteins by host ribosomes (-) ssRNA put into capsids (-)
ssRNA used as template to make (+) ssRNA by polymerase in virus particle (+) SSRNA used as
template to make additional (-) ssRNA by viral polymerase Diagram C: Replication of _____
Single piece of (+) ssRNA translated into viral proteins by host ribosome (+) ssRNA translated
into viral proteins by host ribosomes Single (+) ssRNA used as template to make (-) ssRNA by
viral polymerase (+) ssRNA put into capsids (-) ssRNA used as template to make additional
copies of (+) ssRNA by viral pol. Diagram D: Replication of _____ (+)ssRNA packaged into
capsids Viral proteins made from (+) ssRNA by host ribosomes dsDNA is transcribed to make
(+) ssRNA by host RNA pol (+) ssRNA used as template to make complementary ssDNA by
viral reverse transcriptase ssDNA used as template to make complementary second DNA strand
Solution
Diagram D - replication of (+ve) strand RNA virus.
1) SnDNA is formed by reverse transcription.
2) SsDNA used as a template to make more copies.
3) Transcription of dsDNA to form ssRNA..
4) Viral protein formation by host ribosomes

2. 5) (+) ssRNA packed into capsid.
Diagram A- replication of dsDNA virus.
1) the multiple copies are formed of dsDNA
2) host RNA polymerase perform transcription to RNA.
3) ssRNA translation
4) viral capsid packaging.
Diagram B- replication of (-ve) strand RNA virus.
1) (-) ssRNA produces (+) SsRNA Strands.
2) (+) ssRNA produces multiple copies of (-) ssRNA.
(3) (+) ssRNA translation occurs.
4) (-) ssRNA packing.