Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
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Question: Glycolysis is a series of reactions that is common to fermentation and cellular respiration.

Answer: What series of reactions is common to fermentation and cellular respiration?

Question: If two populations do not mate and produce fertile offspring, separate species result.

Answer: If two populations do not mate and produce fertile offspring, what results?

Question: Muscle type of cell function relies on microfilaments, which are the actin components of the cytoskeleton.

Answer:
What type of cell function relies on microfilaments, which are the actin components of the cytoskeleton?