WHAT HAPPENS WHEN A VIRUS ENTERS THE HOST?
Understanding Viruses, Teri Shors, 2011, 2 nd edition revised, Chapters 6 and 7
Virology Principles and Applications, J.Carter,S.Saunders, 2007, Chapter 9.
Understanding Viruses, Teri Shors, 2011, 2nd edition revised, Chapter 12.
Kolata, G.,FLU: the story of the great influenza pandemic of 1918 and the search for the virus
Review for exam 3
Handouts 9, 11,12
Rhinoviruses cause local upper respiratory
Infections (common cold)
In the disease, mousepox, replication of the
virus first takes place in the site of e
The BALTIMORE Classification
A Classification scheme based on the polarity of the viral genome and its messenger RNA.
Lymphoid cells in culture
grow in suspension
while epithelial cells
the plastic flask.
Cells that are diploid and
of mixed cell types are
most likely a continuous
A cell culture that
Developed by Ruthann
Revised by Nora
Department of Biological
San Jose State University
What is a
The history of
WHAT IS THE CHEMICAL COMPOSITION OF A VIRUS?
What are the properties of viral nucleic acids?
A. What are some general characteristics of viral nucleic acids? (Fig. 1)
B. What are the characteristics of the nucleic acid of specific ani
The ability of the virus to
replicate only in certain cell
types is called tropism.
A virus has tropism towards a cell if
that cell is:
The cell has specific receptors that regulate
which viruses can attach and enter
WHAT ARE VIRUSES AND WHAT DO THEY LOOK LIKE?
How long have viruses been around?
What are some of the historical developments in virology? (Fig. 1)
III. What is a virus? Are viruses living organisms?
A. Where did viruses originate?
USE THE METABOLIC
PROCESSES OF THE HOST CELL
USE THE ENZYMES OF THE
OBTAIN VIRAL ENVELOPES
FROM HOST CELLS
HOW DOES THIS HELP THE
SMALLER GENOMES DO NOT
NEED TO CODE FOR THINGS
THAT THE CELL PROVIDES
Where Does a virus Grow
Problems For RNA Viruses During
Replication in Cells
1-Eukaryotic cells do not produce an RNA
dependent RNA polymerase.
Where does poliovirus acquire the enzyme
to make RNA from RNA?
Codes for it!
Where do the RNA viruses bring the RNA
dependent RNA polym
Virology on the Web, Assignment 2 due November 5, 2015
Viruses and Cancer
These are the four main websites you will be using in this Assignment.