Given the Structure of Tyrosine,which of the Attributes of Thermophile

Multiple Choice

Given the structure of tyrosine,which of the attributes of thermophile proteins would be influenced by high numbers of tyrosine residues? (Select all that apply)

A) increased alpha helix formation due to increased potential for hydrogen bonding
B) increased salt bridges due to more positive charges on amino acids
C) increased side chain interactions due to increased negative charges on amino acids
D) more transmembrane domains
E) none of these attribute influences can be reliably predicted