Examlex
Potassium secretion by the kidneys is only possible due to the action of aldosterone.
Negatively Charged Particle
An elementary particle with a negative electric charge, such as an electron.
Nucleus
The central and most important part of an atom, containing protons and neutrons, or a membrane-bound organelle found in eukaryotic cells containing genetic material.
Atom
The smallest unit of a chemical element that retains the properties of that element, consisting of a nucleus surrounded by electrons.
Deoxyribonucleic Acid
The molecule that contains the genetic instructions used in the development and functioning of all known living organisms and many viruses.
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