What Is Signaled by Nerve Growth Factor (NGF)

question 89

Multiple Choice

 What is signaled by nerve growth factor (NGF) ?

• A) That a target cell has "accepted" an axon
• B) Which target cell a growing axon should connect with
• C) That axons should elongate as the body grows bigger
• D) The need for new neurons to form in brain areas that are lacking in neurons

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Definitions:

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system, specifically CD4 cells, leading to a progressive failure of the immune system if not treated.

Symptoms

Observable signs or reported sensations indicating the presence of a disease or medical condition in the body.

Virus

A microscopic infectious agent that can only replicate inside the living cells of an organism and is responsible for a wide range of diseases.

Medications

Substances used to treat or prevent disease or relieve pain.