Examlex
A molecule with the formula C₁₈H₃₆O₂ is probably a
ATP
Adenosine triphosphate, a molecule that stores and transfers energy within cells, crucial for muscle contraction, nerve impulse propagation, and chemical synthesis.
Active Transport
A cellular process that uses energy to move molecules across cell membranes against their concentration gradient.
Facilitated Diffusion
A process of passive transport, aided by transport proteins, that allows molecules to cross the cellular membrane along the concentration gradient without energy expenditure.
Concentration Gradient
The gradual difference in the concentration of solutes in a solution between two regions, leading to the movement of substances from high to low concentration.
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