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2.1 Supplying the cell

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Question 29

What is the percentage change in mass of the potato cylinder during an experiment?

Mass of potato cylinder before (g)Mass of potato cylinder after (g)
6.45.8
A

−0.6%-0.6\%−0.6%

B

−9.4%-9.4\%−9.4%

C

−10.3%-10.3\%−10.3%

D

−90.6%-90.6\%−90.6%

Markscheme

2.1 Supplying the cell Questions

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

82 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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