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Parts of the Cell Plant and Animal - PowerPoint PPT Presentation

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Parts of the Cell Plant and Animal. The Nucleus. Almost all cells have a nucleus. The nucleus directs all of the cell’s activities, including reproduction. Cell Membrane.

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Presentation Transcript
the nucleus
The Nucleus
  • Almost all cells have a nucleus. The nucleus directs all of the cell’s activities, including reproduction.
cell membrane
Cell Membrane
  • Since an animal cell does not have a cell wall, the cell membrane forms a barrier between the cytoplasm and the environment outside the cell; however, plants have a cell membrane as well. The cell membrane protects the cell and regulates what substances enter and leave the cell.
cell wall
Cell Wall
  • In a plant cell a stiff, rigid wall surrounds the cell membrane, giving the cell its box-like shape.
  • The cytoplasm is the area between the cell membrane and the nucleus. It contains a gel like fluid in which many different organelles are found.
golgi body
Golgi Body
  • The golgi bodies receive materials from the endoplasmic reticulum and send them to other parts of the cell. They also release materials outside the cell.
endoplasmic reticulum
Endoplasmic Reticulum
  • This network of passageways carries materials from one part of the cell to another.
  • These small structures function as factories to produce proteins. Ribosomes may be attached to the outer surface of the endoplasmic reticulum, or they may float free in the cytoplasm.
  • These small organelles are found in many animal and plant cells and contain chemicals that break down food particles and worn out cell parts.
  • Most mature plant cells have one large vacuole, while animal cells have a smaller vacuole. This sac within the cytoplasm stores water, food, waste products, and other materials.
  • These organelles capture energy from sunlight and use it to produce food for the cell.
  • Most of the cell’s energy is produced within these rod-shaped organelles.