1 They have one of two tertiary structures 2  : helix bundle proteins, which are present in all types of biological membranes; 3  beta barrel proteins, which are found only in outer membranes of Gram-negative bacteria, lipid-rich cell walls of a few Gram-positive bacteria, and outer membranes of mitochondria and chloroplasts.
Quick Answer. As of April 2015, the phone number for the south region of TRICARE is 800-444-5445, states TRICARE. The contractor that provides benefits in the region is Humana. Customer service representatives are available at that number between 8 a.m. and 6 p.m. Monday through Friday, according to Humana. Continue Reading.
What Is TRICARE? 3 Regions of Tricare - phone number. TRICARE is the uniformed services* health care program for active duty service members and their families, retired service members and their dependents, members of the National Guard and Reserve and their families, survivors, and. others who are eligible.