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: Transparent matter transmits light without scattering it.

Answer: What type of matter transmits light without scattering it?


Question: The reverse process of moving material into a cell is the process of exocytosis.

Answer: The reverse process of moving material into a cell is the process of what?


Question: Adult humans lack some of the defining traits of chordates.

Answer:
Who lack some of the defining traits of chordates?