In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Q: Question: Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments? Answer: sphincter

A: Acting like drawstrings to close off the alimentary canal, the sphincter regulates the passage of material between compartments.
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Q: Question: What property is the result of the force of gravity being opposed by the normal force? Answer: weight

A: Weight is the result of the force of gravity being opposed by the normal force.
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Q: Question: Spindle fibers pull what apart in anaphase i? Answer: linked chromosomes

A:
Spindle fibers pull linked chromosomes apart in anaphase i.
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