B3 1.2: Active Transport.

All information was taken directly from the AQA revision guide with only the key points from B3 1.2.

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  • Created by: JSpencer
  • Created on: 03-03-16 18:28
What might cells need to do?
Absorb substances that are in short supply.
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Why do cells use active transport?
To absorb substances across a partially permeable membrane against the concentration gradient.
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What does active transport require?
The use of energy from respiration.
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Where do cells absorb ions from?
Dilute solutions.
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What can the kidney tubules reabsorb?
Glucose by active transport.
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What is active transport.
The movement of substances against a concentration gradient and/or across a cell membrane using energy.
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Other cards in this set

Card 2

Front

Why do cells use active transport?

Back

To absorb substances across a partially permeable membrane against the concentration gradient.

Card 3

Front

What does active transport require?

Back

Preview of the front of card 3

Card 4

Front

Where do cells absorb ions from?

Back

Preview of the front of card 4

Card 5

Front

What can the kidney tubules reabsorb?

Back

Preview of the front of card 5
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