CELLS.

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Presentation transcript:

CELLS

CELLS Smallest unit of living matter

What are Organelles? Structures in the cytoplasm of eukaryotic cells that can act as storage sites, process energy, move materials or manufacture substances

CELL MEMBRANE Outer covering of the cell composed of pectin Regulates interactions between the cell and the environment

NUCLEUS Directs all cell activities Contains DNA

CELL WALL Make cells tough and rigid Protects it and helps maintain shape

RIBOSOMES Assist in making proteins in the cell

ENDOPLASMIC RETICULUM Produces important substances Transports substances through the cell

VACUOLES Areas used for storage (food, water) Usually large in plants

MITOCHONDRIA Supply the cell with usable energy

CHLOROPLASTS Supply energy Plant cells and algae- photosynthesis

Plant vs. Animal Plant cells have: Animal cells have: Cell walls Large vacuoles (water) Chloroplasts

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