Examlex
______________ is a threat to internal validity that occurs when the very process of measuring in the pretest can have an impact on the dependent variable.
Isoelectric Point
The pH at which a particular molecule carries no net electrical charge, often referenced in the context of amino acids and proteins.
Lysine
An essential amino acid required for protein synthesis and various metabolic processes.
pH Unit
A measure on a scale from 0 to 14 of the acidity or alkalinity of an aqueous solution, where 7 is neutral, values lower than 7 are acidic, and values higher than 7 are basic.
Electrophoresis
A laboratory technique used to separate DNA, RNA, or protein molecules based on their size and electrical charge by applying an electric current to a gel matrix.
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