Credit: iStock Cells have many different compartments—known as organelles—that have different functions. A commonly known example of an organelle is the “energy center” of the cell called mitochondria. Each organelle has its own important role in cellular function. One lesser-known organelle is the endoplasmic reticulum (ER). The ER is essential for making and maturing proteins, … Continue reading Spotlight On: Endoplasmic Reticulum Stress