ENDOPLASMIC RETICULUM IS A NETWORK OF TUBULES AND FLATTENED SACS. FOLDS PROTIEN MOLECULES INTO THESE SACS AND ALSO THE TRANSPORT OF SYNTHESIZED PROTIENS. IT'S FORMED IN EUKARYOTES AND PROKARYOTES.
TYPICALLY COMPOSED OF TWO SUBUNITS, ONE SUBUNIT BEING LARGE AND THE OTHER SUBUNIT BEING SMALL. THEY MAKE PROTIENS. FOUND IN EUKARYOTES AND PROKARYOTES.
MITOCHONDRIA ARE BOUNDED BY A DOUBLE MEMBRANE, FOUND IN EUKARYOTIC CELLS. THEY ACT AS A DIGESTIVE FUNCTION THEY TAKE IN NUTRIENTS, AND BREAK THEM DOWN. FOUND IN EUKARYOTES.