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).
In Genetics.   A process where cells absorb material molecules such as proteins from the outside by engulfing it with their cell membrane. It is used by all cells of the body because m â¦ ost substances important to them are large polar molecules, and thus cannot pass through the hydrophobic plasma membrane.ndocytosis is a process in which a  cell fully engulfs materials from the o â¦ utside and fuses them to its  plasma membrane. These materials are usually the larger of  materials since they aren't small enough to cross the cell's plasma  membrane by some sort of diffusion.