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responsible for the digestion of macromolecules, old cell parts,
                                                                                                                                                                                                                                                          and microorganisms.










                                                                                                                                                                                               function

                                                                                                                                                                                                                                   each lysosome is surrounded by a membrane that maintains an
                                                                                                                                                                     lysosome               adaptation                             acidic environment within the interior via a proton pump.
                                                                                                                                                                                                                                   Lysosomes contain a wide variety of hydrolytic enzymes (acid
                                                                                                                                                                                                                                   hydrolases) that break down macromolecules such as nucleic
                                                                                                                                                                                                                                   acids, proteins, and polysaccharides.

























                                                                                                          function               endoplasmic reticulum                                                                   nucleolus                  function
               synthesis, folding, modification, and transport of proteins .                                                                                             cell structure                                                                                                It is mainly involved in the production of subunits which then
                                                                                                                                                                                                                                                                                       together form ribosomes.
                                                                                                                                                                                                                                                                                       Granular Components: Before ribosomes are formed, these
                                                                                                                                                                                                                                                                                       components have rRNA that binds to ribosomal proteins.
                                                                                                                                                                                                                                                   structure
                                                                                                                                                                                                                                                                                       Dense Fibrillar Components: It has new transcribed RNA which
                                                                                                                                                                                                                                                                                       connects to the ribosomal proteins.


                                                                                                                                                                                                                                                                                       Nucleolar vacuoles: It is present only in Plant cell.


                                                                                                                                                          :








                                                                                                                                                                                            adaptation
                                                                                                                                                                                                                                                          made up of a series of flattened, stacked pouches called
                                                                                                                                                                                                                                                          cisternae
                                                                                                                                                                                                location
                                                                                                                                                                                                                                   It is located in the cytoplasm next to the endoplasmic reticulum
                                                                                                                                                                                                                                   and near the cell nucleus.
                                                                                                                                                                        [Golgi )                                                   responsible for transporting, modifying, and packaging proteins

                                                                                                                                                                                                                                   and lipids into vesicles for delivery to targeted destinations.
                                                                                                                                                                                               function
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