Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: For to synthesize glycogen purpose does liver use the excess carbohydrate.
[A]: For what purpose does liver use the excess carbohydrate?


[Q]: As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous cytoplasm.
[A]: As a myotube is formed from many different myoblast cells, it contains many nuclei, but has a continuous what?


[Q]: During larva stage of its life cycle does a butterfly spend the most time eating plant leaves.
[A]:
During which stage of its life cycle does a butterfly spend the most time eating plant leaves?