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Biology GCSE 2019 Paper 1 ✅ > 4. Transport In And Out Of Cells > Flashcards

4. Transport In And Out Of Cells Flashcards

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1
Q

What is Diffusion?

A
  • The movement of substances in and out of cells

* Higher to lower concentration until evenly spread out

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2
Q

What are the factors affecting Diffusion?

A
  • Temperature

* Surface area

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3
Q

What is Osmosis?

A

Water moving across cell membranes

• Diffusion Of water from a DILUTE solution to a CONCENTRATED solution

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4
Q

What is Active Transport?

A

Moves substances against a concentration gradient - low to high!!!

• Requires energy from respiration

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Biology GCSE 2019 Paper 1 ✅ (15 decks)

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