parts of the cell plant and animal l.
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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.
cytoplasm
Cytoplasm
  • 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.
ribosomes
Ribosomes
  • 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.
lysosomes
Lysosomes
  • These small organelles are found in many animal and plant cells and contain chemicals that break down food particles and worn out cell parts.
vacuole
Vacuole
  • 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.
chloroplasts
Chloroplasts
  • These organelles capture energy from sunlight and use it to produce food for the cell.
mitochondria
Mitochondria
  • Most of the cell’s energy is produced within these rod-shaped organelles.