Biology - Virology and Immunology Questions with Correct Answers
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Course
Virology
Institution
Virology
How are viruses classified? what are the 4 factors that are used to classify viruses? Correct Answer-Nucleic acid, capsid shape, envelop, and host cell
What is the difference between a regular RNA virus and a retrovirus Correct Answer-XXXX
What is a pathogen? Correct Answer-A virus or a bacte...
Biology - Virology and Immunology Questions with
Correct Answers
How are viruses classified? what are the 4 factors that are used to
classify viruses? Correct Answer-Nucleic acid, capsid shape, envelop,
and host cell
What is the difference between a regular RNA virus and a retrovirus
Correct Answer-XXXX
What is a pathogen? Correct Answer-A virus or a bacteria that causes a
disease
Why are viruses called Obligate intracellular parasites? Correct Answer-
They must infect a host cell in order to reproduce
Expalin the difference between the LYTIC cycle and the LYSOGENIC
cycle. Correct Answer-TThe Lytic cycle causes an immediate effect on
the host cell and the lysogenic reproductive cycle is when the viral DNA
stays dormat inside the cell until an outside source triggers it
Name three non-specific defenses Correct Answer-skin, sweat and snot
Describe the role of skin in the nonspecific defenses of your immune
system Correct Answer-...MECHANICAL barrier and prevents the entry
of pathogens and the role
, What is the PRIMARY immune response Correct Answer-...An
immunological response that occurs when an atigent is encountered for
the FIRST time
What is the SECONDARY immune response? Correct Answer-...The
response of MEMORY CEllS to a subsequent infection by the same
pathogen
Why is the SECONDARY immune response faster than the primary
immune response Correct Answer-...The body already has memory cells
to the same pathogen
What is ACTIVE IMMUNITY Correct Answer-The result of the
development of antibodies in response to the prescence of an antigen...
What is PASSIVE IMMUNITY Correct Answer-Immunity aquired by
the TRANSFER of antibodies from another individual
What type of immune cell does HIV infect? Correct Answer-...T-Helper
Cells
How does HIV affect the immune response Correct Answer-HIV virus
integrates it's DNA with the helper T-Calls DNA and the HIV continues
to replicate, the causes a steady decrease in the number of Helper T-
Cells. Eventually the number of helper T-cells drops below 200/ml and
this results in a very weaked immune system - Now the infected person
becomes vunrealbe to opportunistic diseases and infections...
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