Question

which of the following, in the view image tab, is a secondary protein structure?
a) beta-wall
b) alpha-helix
c) epsilon turn
d) gamma chain

Explanation:

Secondary protein structures are local folded structures formed by hydrogen bonds between backbone atoms. The alpha - helix is a well - known secondary protein structure. Beta - wall is not a standard term for secondary protein structure (beta - pleated sheet is the standard), epsilon turn and gamma chain are not secondary protein structures.

Answer:

b) Alpha - helix