<span>The paralysis is from a chain reaction of cells not processing sodium properly. This leads to their residing in a resting potential instead of forming action potentials, as is required for them to fire during muscle movements. The electrical impulses are not moving down the cells, leading to their not being able to move and, therefore, paralysis of the affected or poisoned areas.</span>
DDT was used during second world war to control malaria among the troops and the civilians. Later, it was used as pesticide in agricultural and household practices. Due to its excessive use it entered into the food chain and its amount in the food crossed the permissible level. So, it was banned by United States.
All cells have a nucleus in the middle of it (Hope that helps)
Archaebacteria is the answer I'm pretty sure you are looking for. anybody correct me if I'm wrong