Features of Animal & Plant Cells

GCSE AQA B2

Overview of features and their uses

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Nucleus

Nucleus is the cell's CONTROL CENTRE - not a brain

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Cytoplasm

Most chemical reactions needed for life happen here

Most important reaction is RESPIRATION

oxygen and sugar react to give cell energy

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Cell Membrane

Controls PASSAGE OF SUBSTANCES

in and out of the cell

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Mitochondria

Structures in cytoplasm where most energy is released during RESPIRATION

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Ribosomes

Where PROTEIN SYNTHESIS takes place

Process of BUILDING UP PROTEIN MOLECULES from amino acids

on surface of a ribosome

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Cell Wall - ONLY IN PLANT CELLS

 

Made of CELLULOSE which

 strengthens the cell & gives it support

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Chloroplasts - ONLY IN PLANT CELLS

  

Green because they contain CHLOROPHYLL

 

Absorbs light energy to make food by PHOTOSYTHESIS

Found in all green parts of plant

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Permanent Vacuole - ONLY IN PLANT CELLS

 

Important for keeping the cells rigid to

SUPPORT THE PLANT

 

Filled with cell sap

 

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