instruction:
Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
question:
One gram of sugar or starch provides 4 calories of energy.
answer:
How many calories of energy does one gram of sugar or starch provide?


question:
You call the separation of ions that occurs when a solid ionic compound dissolves dissociation.
answer:
What do you call the separation of ions that occurs when a solid ionic compound dissolves?


question:
The cells of all protists have a nucleus.
answer:
The cells of all protists have a what?