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https://icsebiology.com/viruses/
My new blog....
Go through it....will be useful

Viruses- Defination, properties and Classification - ICSE Biology Viruses:know the definition,properties,classification different types of diseases caused by different viruses in animals and plants

Biochemistry/cell biology

Nucleic Acids-DNA & RNA-Properties and signficance. - ICSE Biology Nucleic acids-Basic notes on discovery,types biological significance and differences between DNA and RNA. Discussion on types of RNA.

By ‘life,’ we mean a thing that can nourish itself and grow and decay.
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ARISTOTLE, 384 BC TO 322 BC