Biology, asked by yusufshaikh17, 1 year ago

what are the cause of disease

Answers

Answered by afsararaza
22

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There are so many causes of diseases , like infectious disease can be caused by viruses, fungi, bacterias etc...

A very deadful disease 'AIDS' caused by HIV virus, ( a viruse diease)


Disease may be caused by sharing of food, etc...
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Answered by Anonymous
16
Hey mate!! here's ur answer!!

a) A virus is an infective agent that typically consists of a nucleic acid molecule in a protein coat. 

b) Viroids are plant pathogens. They are small, single-stranded, circular RNA particles. They do not have a capsid or outer envelope and can reproduce only within a host cell. 


c) Prions are misfolded proteins which characterize several fatal neurodegenerative diseases in animals and humans. 
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Hope this helps you!!! ^_^

d) Mycoplasma is the smallest and simplest self-replicating bacteria. 

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