Which subatomic particles are found in the
nucleus of an atom of beryllium?
(1) electrons and protons
(2) electrons and positrons
(3) neutrons and protons
(4) neutrons and electrons

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".

the answer your looking for is c).