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The soma, also known as the cell body, is the core part of the neuron that houses the nucleus. It features branching extensions called dendrites that receive signals, and it plays a crucial role in transmitting these electrical signals onward toward the axon.

Soma (Neuron Cell Body)

Dendrites are branch-like extensions that project from a neuron's soma. They function as the primary input sites for the neuron, specializing in receiving signals transmitted from other nerve cells.

Dendrites

The axon is a major extension that leads away from the neuron's soma, varying in length from a fraction of an inch to several feet. Its primary role is to conduct electrical signals from the cell body down to its end, where it connects with other neurons at the terminal buttons.

Axon

A specific neurotoxin is developed that exclusively targets and disables the part of a neuron containing the nucleus and the primary metabolic machinery. Which of the following neuronal functions would be the first and most critically compromised?

A specific neurotoxin is developed that exclusively destroys the nucleus of a neuron. Which of the following consequences is the most direct and critical result of this damage, leading to the neuron's death?

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