Cell Anatomy

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Cell Anatomy

• Cell Parts their Function

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What is a Cell?

• A cell is the smallest unit that is capable of
  performing life functions.
• It is the basic unit of living things.

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Cell Theory

• All living things are made up of cells.
• Cells are the smallest working units of all
  living things.
• All cells come from preexisting cells through
  cell division.

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Examples of Cells
Amoeba Proteus
Plant Stem
Bacteria
Red Blood Cell
Nerve Cell
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Cell Organelles

• Cell Parts are referred to as organelles.

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Cell Wall
Most commonly found in plant cells
bacteria Supports protects cells
Cell Wall
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Cell Membrane

• protective layer around all cells
• allows food and oxygen into the cell and waste
  products out of the cell.

Cell Wall
Cell Membrane
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Cytoplasm

• Gel-like material
• Surrounded by cell membrane

Cell Wall
Cell Membrane
Cytoplasm
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Nucleus

• contains instructions for everything cell does
  includes DNA

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
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Ribosome

• Each cell contains thousands
• Make proteins
• (Think of it like a battery plant!)
• Found on ER floating throughout the cell

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Ribosome
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Endoplasmic Reticulum (ER for Short)

• Moves materials around in cell
• (Like a highway)
• Smooth type lacks ribosomes
• Rough type ribosomes embedded in surface

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Ribosome
ER
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Mitochondrion

• releases energy from food
• (Energy Plant)
• Controls level of water and other materials in
  cell

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Ribosome
ER
Mitochondrion
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Chloroplasts

• Found only in plant cells.
• Contains green chlorophyll
• Where photosynthesis takes place
• Helps plant cells make food.

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Ribosome
ER
Mitochondrion
Chloroplasts
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Vacuole

• membrane-bound temporary storage spaces
• Contains water solution
• Help plants maintain shape

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Ribosome
ER
Mitochondrion
Chloroplasts
Vacuoles
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Golgi Body

• Protein 'packaging plant'
• Move materials within the cell
• Move materials out of the cell

Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Ribosome
ER
Mitochondrion
Chloroplasts
Vacuoles
Golgi Body
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Make a Cell

• Your assignment
• We will make a model of the cell using the
  materials on the table.
• You must use the paper plate as the basis of your
  cell.

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Bibliography

• http//www.science-class.net/PowerPoints/Cell_stru
  cture_function.htm
• Glencoe Life Structure Book A