Denaturation of the Secondary or Tertiary Structure of a Protein

Multiple Choice

Denaturation of the secondary or tertiary structure of a protein may be caused by ________. (Select all that apply)

A) changes in environmental conditions such as temperature or pH
B) may be temporary as in the use of a curling iron on human hair
C) may be permanent as in the use of chemical solutions on human hair
D) usually involves ligands