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2.1 Supplying the cell

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Question 24
H

A student wants to find the concentration of sugar solution that has the same water potential as the cells in a potato.

The student is given:

  • a potato
  • a cork borer and a knife
  • a ruler
  • a balance
  • sugar solutions of different concentrations
  • boiling tubes
  • paper towels.

Plan an investigation to find the concentration of sugar solution that has the same water potential as the potato cells.

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Markscheme

2.1 Supplying the cell Questions

  1. GCSE
  2. /Biology
  3. /2.1 Supplying the cell

194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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