The cytoplasm of a certain cell, such as a neuron, already has a high concentration of K ⁺ ions. How can K⁺ ions continue to enter the cell? A) Infusion B) Active transport C) Exocytosis D) Osmosis E) Facilitated diffusion

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Quizplus · Accepted Answer

Active transport is the process that can move ions or molecules against their concentration gradient, requiring energy, typically in the form of ATP. This allows K+ ions to continue entering a neuron even when its internal concentration is already high.

The Cytoplasm of a Certain Cell, Such as a Neuron