Sciene Biology Revision - Enzyms, Osmosis and Active Transport

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Diffusion
The gradual movement of particles form places where there are lots of them (High Concentration) to places where there are less of them (Low Concentration)
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Osmosis
Similar to diffusion, The movement of water molecules from where there are more molecules (High concentration) to a place where there are less of them (Low Concentration)
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Active Transport
Where Glucose needs to move from an area in the Cell Membrane with Low Concentration of the chemical to an area in the Cell Membrane with High concentration. This is done by using energy relesed by respiration.
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Active Site
The part of an enzyme where the Substrate molecules fit in ( The active site has different shapes for different cells)
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Enzymes
Biological Catalysts that are folded into complex shapes that allow smaller molecules to fit into them which speeds up the chemical reations. When enzymes get too warm they change shape and the active site may not work - this is called Denatured
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Other cards in this set

Card 2

Front

Similar to diffusion, The movement of water molecules from where there are more molecules (High concentration) to a place where there are less of them (Low Concentration)

Back

Osmosis

Card 3

Front

Where Glucose needs to move from an area in the Cell Membrane with Low Concentration of the chemical to an area in the Cell Membrane with High concentration. This is done by using energy relesed by respiration.

Back

Preview of the back of card 3

Card 4

Front

The part of an enzyme where the Substrate molecules fit in ( The active site has different shapes for different cells)

Back

Preview of the back of card 4

Card 5

Front

Biological Catalysts that are folded into complex shapes that allow smaller molecules to fit into them which speeds up the chemical reations. When enzymes get too warm they change shape and the active site may not work - this is called Denatured

Back

Preview of the back of card 5

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