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Life processes - cell structure
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Life Processes - Cell Structure likely provides a concise overview of cell theory, explaining that all living things are made up of cells, the basic units of life. It describes the key components of a cell, such as the nucleus, mitochondria, and cell membrane. It also highlights the differences bet...

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  • November 17, 2024
  • 4
  • 2024/2025
  • Lecture notes
  • Disoosa
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LIFE PROCESSES – CELL STRUCTURE


Cells
• All living organisms are composed of units called cells
• Basic unit of life
• They are specialised so that they can carry out particular
functions in the animal or plant
• Cells – unicellular (single cell); multicellular(many cells)
• Most cells contain certain parts such as the nucleus,
cytoplasm and cell membrane.
• Some cells have structures missing, for instance red blood
cells are unusual in that they have no nucleus.




Cytoplasm
• The living material that makes up a cell is called cytoplasm.
• It has a texture rather like sloppy jelly, in other words
somewhere between a solid and a liquid.
• A complex material made of many different structures
• An electron microscope has a much higher magnification
and can show the details of these structures, which are
called organelles

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