A researcher genetically modifies an organism so it is paralyzed because its motor neurons can send signals to muscles, but none of the motor neurons can receive signals sent from the brain through other neurons. What is wrong with these motor neurons?
A)The motor neurons lack dendrites.
B)The motor neurons lack axons.
C)The motor neurons cannot reach the muscles.
D)The other neurons lack nuclei.

Question

Quizplus · Accepted Answer

The lack of dendrites means that the motor neurons cannot receive signals from other neurons in the nervous system, including signals from the brain. However, the motor neurons are still able to send signals to muscles through their axons.

A Researcher Genetically Modifies an Organism So It Is Paralyzed