Question

when a particle has to go against its concentration gradient through one of these gates, energy is supplied by the cell to the correct protein to move the particle through the membrane. a sodium - potassium ion pump is an example of a type of carrier protein that used a large portion of the cells energy to move sodium ions through the cell membrane. which of the following best describes the type of cellular transport in the picture above? (3pts)
a active transport, it requires energy and moves from low to high concentration.
b passive transport, it does not require energy and moves from low to high concentration.
c passive transport, it does not require energy and moves from high to low concentration.
d active transport, it requires energy and moves from high to low concentration.

Explanation:

Active transport requires energy (ATP) and moves substances against their concentration gradient (from low to high concentration). Passive transport does not require energy and moves substances along their concentration gradient (from high to low concentration). The sodium - potassium pump uses energy (ATP) and moves ions against their concentration gradient (as stated in the description: "energy is supplied by the cell to the correct protein portion of the cell's energy to move sodium ions through the cell membrane" and "move against its concentration gradient").

Answer:

A. Active transport, it requires energy and moves from low to high concentration.