The Cell.

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Presentation transcript:

The Cell

THE CELL THEORY 1. All living things are ________________. composed of cells 2. Cells are the __________ of living things. basic unit 3. Cells are ____________________________. produced by other living cells

What are the levels of organization of living things? Cell Tissue Organ Organ System Organism

unicellular or multicellular Paramesium

unicellular or multicellular Plant

unicellular or multicellular Euglena

unicellular or multicellular Algae

unicellular or multicellular Bacteria

unicellular or multicellular Algae

unicellular or multicellular Fungi

unicellular or multicellular Algae

unicellular or multicellular Frog

Prokaryotic cells & Eukaryotic cells What are the two basic types of cells? Prokaryotic cells & Eukaryotic cells

Prokaryotic cells Eukaryotic cells Protist Fungi Plant Eubacteria ancient modern small large simple – complex – no nucleus no organelles has nucleus has organelles Protist Fungi Plant Animal Eubacteria Archaebacteria

Prokaryotic cell or Eukaryotic cell

Prokaryotic cell or Eukaryotic cell

Prokaryotic cell or Eukaryotic cell

Prokaryotic cell or Eukaryotic cell

What are these? algae

Prokaryotic cell or Eukaryotic cell

Prokaryotic cell or Eukaryotic cell What are these? Bacteria

What organism is this? Paramecium

Prokaryotic cell or Eukaryotic cell

What structures do all cells have? Cell membrane cytoplasm ribosome DNA

ribosome ? cytoplasm ? DNA ? Cell membrane ?

Cell membrane Function? Regulates or controls what substances enter and exit the cell

Ribosomes Function? Make proteins

DNA or chromosomes Function? Contains the genetic information

Protection and support Cell wall Some cells may have: Function? Protection and support Cell wall

Which organisms have cell walls? Bacteria Plants Fungi

Some cells may have: Flagella Cilia

flagella ? Function? locomotion

Cilia ? Function? locomotion

What structure in the cell is composed of phospholipids? The cell membrane

What structure in the cell regulates what enters and exits the cell? The cell membrane

What other substances are embedded in the cell membrane? Proteins

What other substances are embedded in the cell membrane? Cholesterol