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1.3 Transport in cells

1.3 Transport in cells

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Question 4
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A student investigated the effect of sodium chloride solution concentration on the water potential of sweet potato (Ipomoea batatas) cylinders.

For one sweet potato cylinder immersed in a high-concentration salt solution:

  • the initial mass was 6.40 g6.40\text{ g}6.40 g
  • the final mass was 5.92 g5.92\text{ g}5.92 g

Calculate the percentage decrease in mass of this sweet potato cylinder.

Use the equation:

percentage decrease in mass=decrease in massinitial mass×100 \text{percentage decrease in mass} = \frac{\text{decrease in mass}}{\text{initial mass}} \times 100 percentage decrease in mass=initial massdecrease in mass​×100
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Markscheme

1.3 Transport in cells Questions

  1. GCSE
  2. /Biology
  3. /1.3 Transport in cells

30 exam-style questions on AQA GCSE Biology 1.3 Transport in cells, covering 1.3.1 Diffusion, 1.3.2 Osmosis, and 1.3.3 Active transport. Each one has a worked solution and a mark scheme showing where the marks go.

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