Organelles of a Eukaryotic Cell

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Nucleus

FUNCTIONS

  • contains the genetic information of the cell
  • genes held in the DNA within the genetic information code for proteins
  • controls the activities of the cell

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Nucleolus

FUNCTION

  • produces RNA
  • produced ribosomes

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Ribosome

FUNCTIONS

  • Site of protein synthesis
  • Assembles amino acids into proteins
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Rough Endoplasmic Reticulum (RER)

FUNCTION

  • site of attachment for ribosomes
  • packs proteins into vesicles
  • transports proteins, that have been packed into vesicles, to the Golgi apparatus
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Smooth Endoplasmic Reticulum

FUNCTIONS

  • produces triglycerides, phospholipids & cholesterol
  • transports triglycerides, phospholipids & cholesterol
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Golgi Body

FUNCTIONS

  • PROCESSES PROTEINS BY:
  • modifying them
  • packing them into vesicles
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Vesicles

FUNCTIONS

  • contains proteins made in the cell
  • transports the proteins around the cell or to the cell surface membrane
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Lysosome

FUNCTIONS

  • contains enzymes
  • these enzymes destroy old or damaged cells, organelles and bacteria that have been engulfed
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Mitochondria

FUNCTIONS

  • produces ATP
  • site of aerobic respiration
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Cell Surface Membrane

FUNCTIONS

  • controls substances that enter and leave the cell
  • it is partially permeable to allow it to do this
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Cytoskeleton

FUNCTIONS

  • supports the cell
  • allows the cell to move
  • allows the organelles within the cell to move
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Cell Wall (P.C.O)

FUNCTIONS

  • supports the cell
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Chloroplasts (P.C.O)

FUNCTIONS

  • site of photosynthesis
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Permanent Vacole (P.C.O)

FUNCTIONS

  • stores water and solutes
  • these help to keep the cell stable and turgid
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