You are given a sentence and your task is to generate another sentence that supports the given input.
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Question: The organization of the motor system is similar to that of vision, beginning with the primary motor cortex at the posterior edge of the frontal lobe.

Answer: The primary motor cortex is located in the frontal lobe of the brain.


Question: As alternating current moves back and forth in a wire, magnetic fields are created around the wire.

Answer: Alternative current is produced when a magnet or coil moves back and forth repeatedly.


Question: Reversible reactions are symbolized in chemical equations by a double-headed arrow, but the standard remains to call the materials on the left the reactants and the materials on the right the products.

Answer:
Reversible reactions are indicated by opposite-headed kinds of arrows.