Given a scientific question, generate a correct answer to it.
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Question: Neutron stars are the corpses of left over what?

Answer: supernova explosions

Question: What is the product of microfilament movement powered by chemical energy?

Answer: muscle contraction

Question: The standard reduction potential can be determined by subtracting the standard reduction potential for the reaction occurring at the anode from the standard reduction potential for the reaction occurring at this?

Answer:
cathode