i) [1 mark] Determine and justify what secondary structure this sequence is likely to participate in and why. ii) [2 marks] A genetic mutation has resulted in all occurrences of leucine ( L ) and isoleucine (I) being replaced by valine (V). Explain what effect (if any) this would have on the secondary structure of the protein. If there will be no effect on the secondary structure, explain why. [2 marks] Describe the hydrogen bonding and resulting structure of an alpha helix..