What stores supplements in Animal cells are tiny orginelles called vacuoles(pardon if I misspelled)the vacuoles act as storage houses for the foods you eat and later on is used by the mitochondria to convert the food and water to energy. Keep in mind cells do NOT store wastes, the cell membrane is meant to keep hazards like viruses and uneeded materials out of the cell. When however the cell needs to get rid of wastes, it quickly removes it.
Well the answer to your question is (Plasma).
Well if the cell is to grow it needs food to come in and wast products to go out.
Vacuolecantain stored food for cells or wast material form cells.
lysosome
They take in food and get rid of wast matter, they make new cells, and they repair old cells.
it's not the mitochondria, it's lysosomes. mitochondria is composed of proteins and enzymes.
cartons
The food turns into wast
McDonalds
pollution
The vacoule the storing part of a cell it allows nurtions to come into the cell it also stores food and was wast and does not let anthing leave the cell with out letting the Nuleous now. it can also like poop out the material that does not belong in there
the plants food will go to the grown and that is all i know and if this is not right write that it not right.