Examlex
Which of the following high-speed Internet connections use an antenna on a house or business to communicate with a tower location via radio signals?
Concentration Gradient
A difference in the concentration of a substance across a distance, leading to substances moving from an area of high concentration to one of lower concentration.
Carrier Molecule
A protein that facilitates the transport of specific substances across a cell membrane by changing its shape.
Cyanide
A highly toxic chemical compound that can prevent cells from using oxygen, leading to rapid cell death and potentially fatal poisoning.
ATP
Adenosine triphosphate, a molecule that stores and transfers energy within cells, crucial for muscle contraction, nerve impulse propagation, and chemical synthesis.
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