There are many types of proteins found in the cell membrane. These proteins interact with internal and external environment. True False

True because cell membranes include many proteins to help the cell survive

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