Which of the Following Is the Acid Anhydride of Orthophosphoric

question 20

Multiple Choice

Which of the following is the acid anhydride of orthophosphoric acid?

• A)P₄O₁₀
• B)PO₄
• C)P₄ (white phosphorus)
• D)P₄O₆
• E)P (red phosphorus)

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Definitions:

Myelin Sheath

A fatty layer that covers and insulates nerve fibers to enhance the speed of electrical impulses.

Nodes of Ranvier

Gaps in the myelin sheath of a nerve fiber where the axon is exposed, allowing for the rapid transmission of nerve impulses through saltatory conduction.

Internodes

Sections of a plant stem between two nodes, where leaves and branches are attached.

Glial Cells

Non-neuronal cells in the central and peripheral nervous systems that provide support and protection for neurons.