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

[Q]: Compounds containing an atom of nitrogen element, bonded in a hydrocarbon framework, are classified as amines.
[A]: Compounds containing an atom of what element, bonded in a hydrocarbon framework, are classified as amines?


[Q]: Altricial organisms are helpless at birth and require lots of help from their parents.
[A]: What type of organisms are helpless at birth and require lots of help from their parents?


[Q]: Substances enter any plant or animal cell by passing through cell membrane of the following structures.
[A]:
Substances enter any plant or animal cell by passing through which of the following structures?