Download - Cell Structures Lesson1
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COMMON CELL TRAITS
A cell is the smallest unit that is capable of performing life functions.
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COMPARING CELLS
The size & shape of a cell relates to its function. (job it does)
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Prokaryotic Cells(proh KAYR ee yah tihk)
cells without membrane-bound structures
EX: bacteria
pond scum
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Eukaryotic Cells(yew KAYR ee yah tihk)
cells with membrane-bound structures
EX: animals, plants, fungi and protists
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protects the cell gives shape is made of cellulose A cell wall is found in plants, algae, fungi, & most
bacteria.
CELL WALL
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CELL MEMBRANE
Outer covering, protective layer around ALL cells
For cells with cell walls,the cell membrane is inside the cell wall
Allows food, oxygen, & water into the cell & waste products out of the cell.
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CYTOPLASM
gelatin-like inside cell membrane constantly flows aka protoplasm
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NUCLEUS
Directs all cell activities Contains instructions
for everything the cell does
These instructions are found on a hereditary material called DNA
Usually the largest organelle
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NUCLEAR MEMBRANE
separates nucleus from cytoplasm
controls movement of materials in & out of nucleus