225,142 views
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
by
2.8k points

1 Answer

21 votes
21 votes

It is the crystallin, structure B by bending.

User Iakov Nakhimovski
by
2.7k points