Contrast the Four Types of Authentication

question 3

Short Answer

Contrast the four types of authentication.

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Definitions:

Carboxyl

A carboxyl group is a functional group consisting of a carbon atom double-bonded to an oxygen atom and also bonded to a hydroxyl group, symbolized as -COOH.

Sulfhydryl

A functional group consisting of a sulfur atom bonded to a hydrogen atom (-SH), important in the structure and function of proteins.

ATP

Adenosine triphosphate, a molecule that carries energy within cells for metabolism.

Energy Currency

ATP (adenosine triphosphate), a molecule that stores and transfers energy within cells, making it possible for cells to perform their functions.