Each phosphate is negatively charged and the phosphates tend to push each other apart since like charges (all - or all +) repel each other.
(Each phosphate; is negatively charged; ) (the phosphates; tend; to push each other apart since like charges (all - or all +) repel each other) (the phosphates; to push; each other; apart)
Each phosphate the phosphates the phosphates
is negatively charged tend to push
to push each other apart since like charges (all - or all +) repel each other
each other apart