Electrons, protons, and neutrons are three subatomic particles of an atom. if the atom undergoes a change and becomes a positive ion, which subatomic particle is lost in this process?

a) neutron
b) proton
c) electron

What do heterotrophic cells need to survive?

Match the digestive enzymes to the macromolecules they to digest. break down fats into glycerol and fatty acids break down carbohydrates into simple sugars break down nucleic acids into nitrogenous bases and simple sugars break down proteins into amino acids

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