What Factor(s)directly or Indirectly Determine the Transition Temperature? (Select All

Multiple Choice

What factor(s) directly or indirectly determine the transition temperature? (Select all correct choices)

A) the ability of lipid molecules to be packed together
B) whether the fatty acid chains of the lipids are saturated or unsaturated
C) the extent to which the fatty acid chains of the lipids contain double bonds
D) the length of the fatty acid chains