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5 marksMembrane Structure and Function

CAPE Biology Unit 1 · 2015 · Paper 2 · Question 4(a)(ii)

With reference to the fluid mosaic model, discuss the role of phospholipids and proteins in cell membrane functioning.

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  1. 4(a)(i)With the aid of an annotated diagram, describe the structure of phospholipids.[4 marks]
  2. 4(b)Using a generalized structure for amino acids, outline the process of formation of a peptide bond between two amino acids. Explain, using an example, how amino…[6 marks]

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