Question

When a substance crossing the membrane is driven by diffusion, the net flux of that molecule can be described mathematically by

A) the Navier-Stokes equation.

B) the Goldman-Hodgkin-Katz equation.

C) Fick's law.

D) Einstein's equation.

E) the Nernst equation.

Answer 1

The net flux of a molecule crossing a membrane driven by diffusion can be mathematically described by Fick's law.

Step-by-step explanation:

The net flux of a molecule crossing a membrane driven by diffusion can be mathematically described by Fick's law. Fick's law states that the net flux (J) of a substance is directly proportional to the concentration gradient (∆C) and the diffusion coefficient (D), and inversely proportional to the thickness of the membrane (δ).

Mathematically, it can be represented as: J = -D * (∆C/δ)