Final answer:
The term 'transport maximum' describes the point at which all carrier proteins are saturated, resulting in a maximum rate of transport that will not increase despite a higher concentration gradient.
Step-by-step explanation:
In biology, the term for when every carrier protein is saturated and the rate of transport cannot increase further is called saturation. When carrier proteins are bound to their ligands, they reach their maximum capacity and are unable to transport any more molecules. Increasing the concentration gradient at this point will not increase the rate of transport.
The transport maximum has been reached when every carrier protein is saturated, and the rate of transport cannot increase further. In biology, specifically cell physiology, membrane transport proteins such as carrier proteins play a crucial role in the movement of substances across a cell membrane.
The concept of transport maximum applies to situations where the concentration gradient no longer affects the rate at which a substance is transported because all transport proteins are fully engaged. At this point, adding more of the substance does not increase the rate of transport since the proteins are unable to bind additional molecules, making the system saturated.