Most Phosphorus on the Planet Is Found in Living Organisms

question 67

True/False

Most phosphorus on the planet is found in living organisms.

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Definitions:

Intercalated Disc

Specialized cell-cell junctions between cardiac muscle cells that facilitate the synchronized contraction of the heart.

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasms of adjacent cells.

Hemidesmosome

Similar to half a desmosome, attaching epithelial cells to the basement membrane.

Capillary Walls

The thin, permeable barriers of capillaries through which exchange of gases, nutrients, and wastes occurs between blood and tissues.