EDEXCEL A (SALTERS-NUFFIELD) A LEVEL BIOLOGY - CELL MEMBRANES AND EXCHANGE- MEMBRANES AND THE FLUID QUESTIONS WITH COMPLETE SOLUTIONS

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EDEXCEL A (SALTERS-NUFFIELD) A LEVEL BIOLOGY - CELL MEMBRANES AND EXCHANGE- MEMBRANES AND THE FLUID QUESTIONS WITH COMPLETE SOLUTIONS

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2025/2026

Institution PEARSON EDEXCEL BIOLOGY

Course PEARSON EDEXCEL BIOLOGY

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EDEXCEL A (SALTERS-NUFFIELD) A LEVEL BIOLOGY - CELL MEMBRANES AND EXCHANGE- MEMBRANES AND THE FLUID QUESTIONS WITH COMPLETE SOLUTIONS

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Phosopholipid head

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Hydrohphllic- attracts water which contains a phosphate group.

Cholesterol

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This fits in between the phospholipids, forming bonds with them. This makes
the mebrane more rigid

What effect does low temperature have on membrane structure and permeability?

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Uploaded on: July 21, 2026
Number of pages: 4
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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EDEXCEL A (SALTERS-NUFFIELD) A LEVEL BIOLOGY - CELL MEMBRANES AND EXCHANGE- MEMBRANES AND THE FLUID QUESTIONS WITH COMPLETE SOLUTIONS

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