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1.4 Transport across cell membranes

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Question 14
F

A potato cylinder is blotted before its initial mass is measured. After being left in water, it is weighed without being blotted.

How will this affect the calculated percentage gain in mass?

[1]
A

it will be too low because surface water adds to the final mass

B

it will be too high because surface water adds to the final mass

C

it will be too low because surface water reduces the final mass

D

it will be too high because surface water reduces the final mass

Markscheme

1.4 Transport across cell membranes Questions

  1. GCSE
  2. /Biology
  3. /1.4 Transport across cell membranes

41 exam-style questions on Edexcel GCSE Biology 1.4 Transport across cell membranes, covering 1.4.1 Transport into and out of cells and 1.4.2 Percentage gain and loss in osmosis. Each one has a worked solution and a mark scheme showing where the marks go.

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