Functions (Jobs)Functions (Jobs)of Organelles of Organelles

(Parts of the Cell)(Parts of the Cell)

Ms. Ryan/Ms. NugentMs. Ryan/Ms. Nugent

OrganellesOrganelles

NucleusNucleus Control center. Control center. maintain life functions of cell maintain life functions of cell

(regulation)(regulation) NucleolusNucleolus: genetic information: : genetic information:

DNA and RNA. DNA and RNA.

RibosomesRibosomes protein synthesis, where RNA is protein synthesis, where RNA is

turned into protein. turned into protein. Hundreds or ThousandsHundreds or Thousands Free floating and on ERFree floating and on ER

Endoplasmic Reticulum(ER) Endoplasmic Reticulum(ER) Rough: has ribosomesRough: has ribosomes Smooth: No ribosomesSmooth: No ribosomes Both for transportBoth for transport

Mitochondria: Mitochondria: aerobic respiration aerobic respiration energy productionenergy production two membranes, two membranes, an inner and an outer, an inner and an outer, own DNA and ribosomes; own DNA and ribosomes;

ChloroplastsChloroplasts photosynthesis photosynthesis

(only plant cells and some bacteria)(only plant cells and some bacteria)

Golgi apparatusGolgi apparatus changes molecules and packages changes molecules and packages them into small sacs called vesicles. them into small sacs called vesicles. sacs can be sent anywhere in the sacs can be sent anywhere in the

cell: even outside of it. cell: even outside of it. Lysosome Lysosome

digests waste materials and food digests waste materials and food Uses strong digestive Uses strong digestive enzymes enzymes . .

VacuolesVacuoles Used to store water and other materialsUsed to store water and other materials Very important (and big) in plant cellsVery important (and big) in plant cells

Flagella (Like a tail for an animal cell to help locomotion)Flagella (Like a tail for an animal cell to help locomotion) CytoplasmCytoplasm

Thick liquid inside cell to help things flow and moveThick liquid inside cell to help things flow and move Cell WallCell Wall

Only in plant cellsOnly in plant cells Gives rigid structure, helps to protect cellGives rigid structure, helps to protect cell

Cell MembraneCell Membrane Both plant and animal cells. Allows only Both plant and animal cells. Allows only

certain things in and out of the cell (selective permeability)certain things in and out of the cell (selective permeability) CentrioleCentriole

Used in animal cell divisionUsed in animal cell division