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42 votes
42 votes
Please help, there is also option D, which is "Structure D, by bending"

Please help, there is also option D, which is "Structure D, by bending"-example-1
User Aleksander Fimreite
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1 Answer

21 votes
21 votes

It is the crystallin, structure B by bending.

User Iakov Nakhimovski
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