Question

(i) name the common types of secondary structure of proteins and give one point of difference

Answer 1

Alpha helices and beta pleated sheets are two types of secondary structurefound in proteins.
The names refer to the shapes the amino acid chain takes on. They are both held together by hydrogen bonding.
 An alpha helix is aright-handed helix that is held together by hydrogen bonding.

I hope it helps u dear........

Answer 2

Yaa she is right..........