Select the mismatched pair. Select one: a. root - root canal b. alveoli - periodontal ligament c. crown - enamel d. apical foramen - blood supply e. pulp cavity - cementum

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

it takes hundreds of years to become stable.

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the answer is "a.) well–developed vascular system."

explanation: