Stress & Heat Shock Proteins. The highly conserved heat shock proteins (HSPs) are constitutively expressed and function as molecular chaperones which facilitate the synthesis and folding of proteins. They also participate in protein assembly, export, turn-over and regulation.
Melissa Healy. Melissa Healy is a health and science reporter with the Los Angeles Times writing from the Washington, D.C., area. She covers prescription drugs, obesity, nutrition and exercise, and neuroscience, mental health and human behavior.
Hanna Marin (Ashley Benson) (season 1 â present) is the diva and it-girl of the group, having taken Alison's place as the most popular girl at Rosewood High. Prior to Alison's death, Hanna was a bulimic girl who Alison frequently teased for being overweight.