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1.3 Transport in cells

1.3 Transport in cells

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Question 6

A student investigated the water potential of plant tissue by placing cylinders of parsnip (Pastinaca sativa) into various concentrations of sucrose solution.

For one cylinder placed in a hypertonic solution:

  • the starting mass was 4.50 g4.50\text{ g}4.50 g
  • the end mass was 3.87 g3.87\text{ g}3.87 g

Calculate the percentage decrease in mass of this parsnip cylinder.

Use the equation:

percentage decrease in mass=decrease in massstarting mass×100 \text{percentage decrease in mass} = \frac{\text{decrease in mass}}{\text{starting mass}} \times 100 percentage decrease in mass=starting 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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