these molecules have to pass across the cell membrane, which functions as a barrier — but not an impassable one. Like the exterior walls of a house, the plasma membrane is semi-permeable.

All cells have an outer plasma membrane that regulates not only ... a specialized structure that facilitates their gatekeeping function. What Are Cellular Membranes Made Of? With few exceptions ...

Besides the stage of cancer, other factors that influence a person's prognosis with multiple myeloma include their age, kidney function, and overall health. Other chronic health conditions can cause ...

Adrenomedullin (ADM) inhibits endothelial insulin signaling, contributing to obesity-associated insulin resistance, according ...

Red blood cell Carry oxygen. Contain haemoglobin (rich in iron) to carry oxygen. Biconcave shape to provide a large surface area for the diffusion of oxygen. No nucleus to provide more space for ...

Plasma cells (PCs) are the terminal differentiation stage of activated B cells and serve as crucial effector cells in humoral immunity. While PCs have ...

Researchers from the Tanenbaum group at the Hubrecht Institute have developed a new microscopy technique to observe how ribosomes function in cells. With this method, they can monitor individual ...