Which cells form a protective barrier in the root where all materials are forced to move through the symplast

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass

Cwould most likely affect a cow's offspring.hope this 's and give me brainiest!