Cell Organelles

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  • Cell Organelles
    • the nucleus - controls cells activities
      • the nuclear envolope is a doube membrane surrounding the nuceus. this has nuclear pores to allow mRNA to enter and exit the nucleus
      • The cytoplasm contains chromatin, which is coils of DNA and histones ready to form chromosome
      • the nucleolus creates ribosomes by creating RNA
        • The cytoplasm contains chromatin, which is coils of DNA and histones ready to form chromosome
    • Ribosomes are found in the cytoplasm or attached to the rough endoplasmic reticulum
      • ribosomes are the site of protein synthesis
    • The Endoplasmic Reticulum are membrane bound sacs that are attached to the nucleous
      • The rough ER is covered in ribosomes. this is where proteins are packaged and synthesized
      • the smooth ER is where lipids are packaged and synthesized
    • Lysosomes contain digestive enzymes such as protease and these are formed by the Golgi complex
      • The Golgi complex is where proteins and lipids from the ER are sent. The Golgi modifies the proteins using enzymes and packages them into vesicles ready for secretion over the plasma membrane

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