Definitions (Virus)
VIRUS
Virology: The branch of microbiological science which
deals with the study of viruses is called virology.
Virus: Virus is a sub-microscopic obligatory parasite that can
reproduce or multiply within the living cells only.
Bacteriophage virus: The virus that attacks bacteria and destroy
their nuclear material is called bacteriophage virus.
Capsid: The structure that covers the genetic material or the
nucleic acid of the virus is called capsid.
Host specificity: The special property of a parasite by which it
infects only a particular type of a host is called host specificity.
Acquired immunity: It is defined as the immunity acquired by an
individual during his/her life.
Vector: The insects which carry the diseases are called vectors.
Incubation: The virus may remains active in the body of
vector for many days, and this period is called incubation period.
RNA virus: The virus which
contains ribonucleic acid as a genetic material is called RNA virus.
DNA virus: The virus which contains deoxyribonucleic acid
as a genetic material is called DNA virus.
Retrovirus: Any virus that has RNA as its genetic material
and is involved in making DNA from RNA is called retro virus.
AIDS: A disease in which body’s immune system breaks down and is
unable to fight off infections and other illness that take advantage of
weakened immune system.
Rabies: It is a very dreadful disease transmitted of humans
through saliva of rabid animals.
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