Question

Why DNA is negetivily charged?

Answer 1

phosphate groups in dna backbone carry negatively charge oxygen molecules giving the phosphate sugar backbone of dna on negatively charge

Answer 2

hey mate your answer!!!
^^^^^^^^^^^^^^^^^^^^^^^

phosphate in DNA backbone carry negatively charge oxygen molecules giving the phosphate suger backbone DNA an overall negative the negativity charged DNA towards the positive field of the gel

make as brain list if u like it???????

have good day mate

*********************************************