Which of the Following Substituents Are Activators in Electrophilic Aromatic

question 35

Multiple Choice

Which of the following substituents are activators in electrophilic aromatic substitution?

• A)CH₃O ¾
• B)Cl ¾
• C)NO₂ ¾
• D)HSO₃¾

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Definitions:

Neurilemma

The outermost layer of a myelinated nerve fiber, which plays a crucial role in nerve regeneration and conduction.

Oligodendrocytes

A type of glial cell in the central nervous system responsible for producing and maintaining myelin sheaths around neurons.

Schwann Cells

Specialized cells that myelinate the axons of neurons in the peripheral nervous system, aiding in the rapid transmission of nerve impulses.

Ependymal Cells

Glial cells that line the cavities of the brain and the spinal cord, playing a role in the production of cerebrospinal fluid.