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Ameer Effat M. Elfarash
Dept. of Genetics
Fac. of Agriculture, Assiut Univ.
DNA Structure & Function
What is DNA?
In simple terms, DNA contains the instructions for making proteins within the cell.
Nucleotides
C C
C
OPhosphate
O
O -P O
O
O
O -P O
O
O
O -P O
O
O One deoxyribose together with its phosphate and base
make a nucleotide.
Nitrogenousbase
Deoxyribose
19
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