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Class 12 Tuition > Learn Biology > TOPIC ...(Genetics ) Class X -BIOLOGY
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TOPIC ...(Genetics ) Class X -BIOLOGY

Shailie M.
19/01/2017 0 0

DNA as genetic material-DNA (Deoxyribo nucleic acid )and RNA (Ribonucleic acid )are two major types of nucleic acid found in cells .Chemical composition of nucleic acids ....Sugar ;phosphate group;and Nitrogen bases .

Pentose sugar + Nitogen Base =  Nucleoside

Pentose sugar + Nitrogen Base + Phosphate = Nucleotide

STUCTURE OF DNA -----

According to Watson and Crick 

 

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