Examlex
In developed countries, menarche generally occurs at age __________, whereas in developing countries it generally occurs at age __________.
Ions
Charged particles that have either lost or gained electrons, playing critical roles in various biological processes, including nerve impulse transmission and muscle contraction.
Neutral Molecules
Neutral molecules are chemical species without any net electrical charge.
Electrical Activity
The movement of electrically charged particles, such as electrons or ions, which is a fundamental process in biological systems and electronic devices.
Intracellular
Located or occurring within a cell or cells, referring to processes, reactions, or components found inside cells.
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