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: Compression zones is the opposite of rarefaction zones, where air molecules in waves are loosely packed.

Answer: What is the opposite of rarefaction zones, where air molecules in waves are loosely packed?


Question: All metabolic functions carried out by a prokaryote take place in the plasma membrane or cytosol else.

Answer: All metabolic functions carried out by a prokaryote take place in the plasma membrane or where else?


Question: Found in many products, such as petri dishes, agar is made from mucilagnious material in this?

Answer:
Found in many products, such as petri dishes, agar is made from mucilagnious material in this?