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Cells:Prokaryotic
vs.Eukaryotic
CellsCells – basic
unit of living organisms.
Level of organization: < cell < tissue < organ < organ system < organism
Animal Cells
Red Blood Cells
Nerve Cells
Stomach Cells
Single Cell Paramecium
Plant Cells
Plant Cells
Cells
There are MANY types of cells.
CellsCells can be divided into two
groups based on the presence of organelles.
Organelles – membrane bound structures with specific functions in some cells.
CellsProkaryotes – (pro
means first) cells that do not contain organelles.
DNA not contained in nucleus.
Seen in unicellular (one cell) like bacteria.
CellsEukaryotes - Cells that
contain membrane bound organelles.
Seen in multicellular organisms and unicellular organisms like protists, algae and yeast.
Allows chemical reactions to happen in different parts of the cell at the same time.
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