
Key words for GCSE Biology.
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magnify |
If you magnify something, it means you make it bigger.
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transport |
If you transport something, it means you move it.
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diffusion |
Diffusion is the movement of particles from a higher concentration area to a lower concentration area.
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osmosis |
Osmosis is the diffusion of water through a partially permeable membrane.
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active |
Active transport is the movement of substances from a more dilute solution to a more concentrated one.
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transport |
Active transport is the movement of substances from a more dilute solution to a more concentrated one.
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percentage |
Percentage means parts per 100.
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surface |
The surface area of an object is the total area of its surfaces.
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area |
The surface area of an object is the total area of its surfaces.
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volume |
Volume is the amount of space something occupies.
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rate |
Rate is a measure of how frequently something occurs.
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gradient |
The gradient of a slope is the degree of its steepness.
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solution |
A solution is a liquid mixture.
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dilute |
A dilute solution is a solution with a high concentration of water.
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concentrated |
A concentrated solution is a solution with a low concentration of water.
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concentration |
Concentration is the measure of how much of something is in a solution.
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gradient |
A concentration gradient shows the difference in concentration between two areas.
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villi |
Villi are small folds that increase the surface area of the small intestine.
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lamellae |
The gill filaments of a fish are covered in lamellae which increase their surface area.
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