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

[EX Q]: The bones of the newborn skull are not fully ossified and are separated by large areas called fontanelles.
[EX A]: The bones of the newborn skull are not fully ossified and are separated by large areas called what?

[EX Q]: The cytoskeleton holds cell organelles in place within the cytoplasm.
[EX A]: What part of the cell holds cell organelles in place within the cytoplasm?

[EX Q]: Both glyceraldehyde and glyceric acid are derivatives of biochemical intermediates in metabolism of sugar.
[EX A]:
Both glyceraldehyde and glyceric acid are derivatives of biochemical intermediates in metabolism of what?