A plant cell wall is arranged in layers and contains cellulose microfibrils, hemicellulose, pectin, lignin, and soluble protein. These components are organized into three major layers: the primary ...

Plasma makes up about 55 percent of your blood. It carries out several key functions in the body, including transporting waste products. Read on to learn more about plasma, including what it’s made of ...

Membrane proteins are key components of living cells. They constitute one-third of the ORFs of virtually all genomes, perform crucial roles, and are targeted by a huge number of drugs. When present in ...