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Title:

Cells and Cell Parts

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A structure that forms the outer boundary and allows only certain ... Lysosomes. Digest wastes and old cell parts. Protects the cell from foreign invaders ... – PowerPoint PPT presentation

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Title: Cells and Cell Parts


1
Cells and Cell Parts
3.2
2
Cell Membrane
  • A structure that forms the outer boundary and
    allows only certain materials into and out of the
    cell
  • gatekeeper
  • IN food, oxygen, water
  • OUT wastes, water

3
Cytoplasm
  • The gel-like material inside the cell membrane
  • The Workshop
  • Constantly moving
  • Mostly water

4
Organelles
  • Structures that float in the cytoplasm and have
    specific jobs
  • They are different sizes and shapes

5
Nucleus
  • The largest organelle
  • The Mayor
  • Directs all cell activity
  • Contains DNA
  • In center? nucleolus ribosomes are made

6
Chromatin
  • Long strands of blue prints for cell operation
  • The Recipes
  • Made up of proteins and DNA

7
Endoplasmic Reticulum (ER)
  • A folded membrane that moves materials around the
    cell
  • UPS
  • Mostly carries proteins from the nucleus
    throughout the cell

8
Ribosomes
  • Structures in the cytoplasm that create proteins
  • The smallest organelles
  • Receive the recipes from the nucleus to create a
    certain protein
  • Use amino acids to create proteins
  • Proteins take place in nearly every cell activity

9
Golgi Complex
  • Packaging and distributing organelles
  • They move proteins within the cell or to the
    outside of the cell
  • The Loading Dock

10
Mitochondria
  • Break down food and release energy
  • Energy company

11
Lysosomes
  • Digest wastes and old cell parts
  • Protects the cell from foreign invaders
  • The Trash Collectors

12
Vacuoles
  • The cells storage areas
  • Plant cells have much larger vacuoles than animal
    cells
  • Can store water, food, or waste
  • Storage Garage

13
Cell Wall
  • Plant cells only
  • Rigid (hard) outer cell covering
  • Gives plant protection and support

14
Chloroplasts
  • Make food in plant cells
  • Only in plant cells
  • This is where photosynthesis takes place

15
See Ya !!!
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