Organelles Flashcards
Cell Organelle Functions
ALLOWS THE CELL TO RECEIVE AND RESPOND TO MESSAGES
Cell Membrane
CONTROLS MOVEMENT OF SUBSTANCES INTO/OUT OF CELLS
Cell Membrane
SEPARATES THE CELL FROM ITS ENVIRONMENT
Cell Membrane
“SELECTIVELY PERMEABLE”
Cell Membrane
CYTOSKELETON – (“CELL SKELETON”) – PROTEIN RODS AND TUBULES THAT FORM A SUPPORTIVE FRAMEWORK
Cytoplasm
CYTOSOL – (“CELL SOLUTION”) – PROVIDES THE MOLECULES NEEDED FOR CHEMICAL REACTIONS
Cytoplasm
PRODUCES PROTEINS FOR USE AT THE CELL MEMBRANE OR FOR EXPORT FROM THE CELL
Rough Endoplasmic Reticulum
SYNTHESIS AND METABOLISM OF LIPIDS
Smooth Endoplasmic Reticulum
ABSORPTION OF FATS FROM THE DIGESTIVE TRACT
Smooth Endoplasmic Reticulum
BREAKS DOWN DRUGS AND ALCOHOL = DETOXIFICATION
Smooth Endoplasmic Reticulum
Ca2+ ION STORAGE AND TRANSPORT
Smooth Endoplasmic Reticulum
(SCATTERED THROUGH THE CYTOPLASM) – PRODUCES
PROTEINS FOR USE INSIDE THE CELL
“Bound” Ribosomes
REFINES, PACKAGES (IN VESICLES), AND DELIVERS ORGANIC MOLECULES
Golgi Apparatus
PRODUCES SPECIALIZED VESICLES CALLED LYSOSOMES AND PEROXISOMES
Golgi Apparatus
THE “POWERHOUSE OF THE CELL;”
Mitochondria
SITE OF AEROBIC CELLULAR RESPIRATION
Mitochondria
RELEASES THE ENERGY FROM GLUCOSE AND OTHER ORGANIC MOLECULES
Mitochondria
“GARBAGE DISPOSALS”
Lysosomes
CONTAINS HYDROLYTIC ENZYMES (HYDROLYSIS)
Lysosomes
DISMANTLE CELLULAR DEBRIS
Lysosomes
DESTROY WORN OUT CELL PARTS
Lysosomes
INVOLVED WITH INTRACELLULAR DIGESTION
Lysosomes
SYNTHESIS OF BILE – USED IN FAT DIGESTION
Peroxisomes
BREAKDOWN OF SPECIAL LIPID MOLECULES CALLED “VERY LONG CHAIN FATTY ACIDS”
Peroxisomes
DEGRADATION OF RARE BIOCHEMICALS
Peroxisomes
DETOXIFICATION OF ALCOHOL.
Peroxisomes
COMPONENTS OF THE CYTOSKELETON
MICROFILAMENTS AND MICROTUBULES
FILAMENTS ARE SOLID AND FORM BRANCHED NETWORKS
Microfilaments and Microtubules
TUBULES ARE HOLLOW AND ARE EASILY BROKEN APART AND REASSEMBLED
Microfilaments and Microtubules
DURING CELL DIVISION, THEY FORM THE SPINDLE THAT PULLS CHROMOSOMES TO OPPOSITE SIDES OF THE DIVIDING CELL
Microfilaments and Microtubules
MOVE CELLS FROM PLACE TO PLACE OR MOVE
MATERIALS ACROSS THE SURFACE OF A CELL (PROPELS MUCUS OUT OF RESPIRATORY TRACT)
Cilia and Flagella
SHORTER, MANY, AND HAIRLIKE
Cilia
LONGER, FEWER, AND TAIL-LIKE
Flagella
“PACKAGES” USED TO TRANSPORT SUBSTANCES INTO, OUT OF, OR AROUND A CELL
Vesicles
CONTAINS THE GENETIC MATERIAL THAT DIRECTS THE ACTIVITIES OF THE CELL; THE CELL’S “BRAIN”
Nucleus
TWO LAYERS OF PHOSPHOLIPID BILAYERS (4 LAYERS OF PHOSPHOLIPIDS!) = HIGHLY SELECTIVE
Nuclear Envelope
REGULATES PASSAGE OF MATERIALS (ESPECIALLY mRNA) BETWEEN THE NUCLEUS AND CYTOPLASM
Nuclear Pores
SITE OF RIBOSOME PRODUCTION
Nucleolus
Cells that produce a
great amount of proteins have numerous of these and large versions of these
Nucleolus