Questions: Question 12 (4 points) Nerve cell adhesion molecules (N-CAMs) A) are crucial in the production of neurotransmitters B) release nerve growth factor C) are crucial for the development of neural connections D) are found on "pathfinder" neurons

The answer is C: are crucial for the development of neural connections.

Explanation for each option:

A) are crucial in the production of neurotransmitters - This is incorrect. N-CAMs are not directly involved in the production of neurotransmitters. They are primarily involved in cell adhesion and the formation of neural networks.

B) release nerve growth factor - This is incorrect. N-CAMs do not release nerve growth factor. Nerve growth factor is a separate protein that supports the growth and survival of neurons.

C) are crucial for the development of neural connections - This is correct. N-CAMs (Nerve Cell Adhesion Molecules) play a significant role in the development and maintenance of neural connections by mediating cell-cell adhesion, which is essential for the formation of synapses and neural networks.

D) are found on "pathfinder" neurons - This is partially correct, as N-CAMs can be found on various types of neurons, including those involved in guiding axonal growth. However, the primary role of N-CAMs is in the development of neural connections, making option C the most accurate choice.

In summary, N-CAMs are crucial for the development of neural connections, as they facilitate the adhesion and interaction between nerve cells necessary for forming functional neural networks.