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AQA Specimen Paper 2 Q5
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![14 Figure 3 shows a simplified representation of the arrangement of some amino acids in a portion of a protein structure in the form of an -helix. Figure 3 0 5 . 1 Name the type of protein structure in Figure 3. [1 mark] . 2 0 5 Explain the origin of the interaction represented by the dotted lines in Figure 3. [4 marks] Barcode Typesetter code<br />](https://learnah.org/wp-content/uploads/2018/08/Specimen_QP_-_Paper_2_AQA_Chemistry_A-Level_5.jpg)
