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: Ionic compounds contain cations and anions rather than discrete neutral molecules.

Answer: Ionic compounds contain cations and anions rather than what?


Question: Carried through body happens if cancer cells enter the blood stream.

Answer: What happens if cancer cells enter the blood stream?


Question: A ribosome consists of two elements, rrna and proteins.

Answer:
What two elements do ribosome consist of?