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CELL - PowerPoint PPT Presentation


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CELL. DEFINITION. Is the basic form of life The structural , functional and biological unit of all organisms From Latin, cella(small chamber). HISTORY. ROBERT HOOKE- “Cork have cell” ANTON VAN LEEUWENHOEK-observe bacteria and protozoa ROBERT BROWN- Discover the plant’s nucleus

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Presentation Transcript
definition
DEFINITION
  • Is the basic form of life
  • The structural, functional and biological unit of all organisms
  • From Latin, cella(small chamber)
history
HISTORY
  • ROBERT HOOKE- “Cork have cell”
  • ANTON VAN LEEUWENHOEK-observe bacteria and protozoa
  • ROBERT BROWN- Discover the plant’s nucleus
  • MATTHIAS SCHLEIDEN- plants have cell
  • THEODORE SCHWANN-animal have cell
parts of the cell
PARTS OF THE CELL
  • CELL MEMBRANE(Body guard of the cell)
  • CYTOPLASM(Living part of the cell)
  • NUCLEUS(command center)
cell membrane
CELL MEMBRANE
  • --the fluid mosaic model (S.J Singer) -- semi-permeable--fluid portion is a double layer of phospholipids, called the phospholipids bi-layer
job of the cell membrane
JOB OF THE CELL MEMBRANE
  • Isolate the cytoplasm from the external environment
  • Regulate the exchange of substances
  • Communicate with other cells
  • Identification
cytoplasm
CYTOPLASM
  • Endoplasmic reticulum(smooth and rough)
  • Ribosomes
  • Vacuole(plant) and Vesicle(animal)
  • Golgi apparatus(golgi bodies)
  • Mitochondria(power house)
  • Chloroplast(plants only)
cytoplasm1
CYTOPLASM
  • cytoskeleton
  • lysosome
  • Centrioles
  • Cell wall
nucleus
NUCLEUS
  • Nuclear membrane
  • Chromosomes
  • Nucleolus
  • Nuclear pore
  • chromatin