Elevated Secretion of ACTH,as in Addison's Disease,causes a Darkening of the Skin

question 124

True/False

Elevated secretion of ACTH,as in Addison's disease,causes a darkening of the skin because ACTH is related to MSH which causes production of the pigment melanin.

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Definitions:

Volume Ratio

A comparative measure of the volume of one substance or entity to another, often used in scientific experiments and calculations.

Prokaryotic Cells

Cells that lack a distinct nucleus and membrane-bound organelles, characteristic of bacteria and archaea.

Eukaryotic Cells

Cells that contain a nucleus enclosed within membranes, distinguishing them from prokaryotic cells; they make up plants, animals, fungi, and protists.

Cell Theory

A fundamental theory in biology stating that all living things are made up of cells, that the cell is the basic unit of life, and that all cells arise from pre-existing cells.