How to prepare for your annual encounter with confusion. Daylight Saving Time ends Sunday at 2 a.m., which means that weâre all going to spend a few minutes scratching our heads trying to figure out whether weâre gaining or losing an hour of sleep. Save yourself the trouble and let TIME break it down for you.
For example, plasma membrane proteins carry out functions as diverse as ferrying nutrients across the plasma membrane, receiving chemical signals from outside the cell, translating chemical signals into intracellular action, and sometimes anchoring the cell in a particular location (Figure 4).
Even though peripheral membranes don't form entryways to the cell since they don't penetrate the membrane, they're really vital to the function of the cell. Think of them as the wingmen of the membrane proteins since they play vital roles for the cell. They do this by acting as partners with other proteins.