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2.1 Supplying the cell

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Question 30

A scientist places samples of the same type of animal kidney cell into three different solutions.

SolutionObservation
AThe cells become larger and some cell membranes split.
BThe cells do not change in size or shape.
CThe cells become smaller and develop a wrinkled surface.
a.

Explain the observations in all three solutions.

[4]
b.

The oxygen supply to another sample of cells in solution C is cut off.

Suggest whether these cells will still shrink. Explain your answer.

[2]
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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