Examlex
The two capillary beds associated with a nephron are the _______, which is the site of blood filtration, and the peritubular capillaries, which carry away reabsorbed substances.
Facilitated Diffusion
Passive transport mechanism in which a solute follows its concentration gradient across a membrane by moving through a transport protein.
Concentration Gradient
A variation in the concentration of a substance across a distance.
Glucose Transporter
Proteins located in cell membranes that assist in the transport of glucose molecules into and out of cells, facilitating the use of glucose for energy.
Facilitated Diffusion
A process of passive transport, with no energy consumption, where molecules move across a cellular membrane via protein channels.
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