Most of the molecules that determine blood types in humans are proteins embedded in the plasma membrane of red blood cells with attached sugars that extend from the cell surface.
<h3>What is the plasma membrane?</h3>
The fluid mosaic model, which is the presently accepted explanation for the composition of the plasma membrane, was originally put forth in 1972. Although this model has changed over time, it still offers a reasonable fundamental explanation of the structure and function of membranes in many different cells.
The plasma membrane is a mosaic of elements, primarily phospholipids, cholesterol, and proteins, that move fluidly and freely in the plane of the membrane. In other words, a membrane diagram only represents a moment in a dynamic process where proteins and phospholipids are continuously slipping past one another.
Blood type in humans: A positive, A negative, B positive, B negative, AB positive, AB negative, O positive, and O negative are the eight primary blood types. Your Rh type is indicated by the positive and negative (once called Rhesus). There are 34 other recognized blood types, often known as blood group systems, in addition to ABO and Rh.
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