instruction:
Given a scientific passage and an answer, generate a question for the given answer.
question:
Passage: Lipids are biochemical compounds such as fats and oils. Organisms use lipids to store energy. In addition to carbon and hydrogen, lipids contain oxygen. Answer: oils
answer:
Lipids are biochemical compounds such as fats and?

question:
Passage: Amines are weak bases due to the presence of a lone pair of electrons on the nitrogen atom. This lone pair can attract the hydrogen atom from a water molecule, causing the bond between it and the oxygen atom to break. The resultant products are the conjugate acid of the amine and the hydroxide ion. Answer: electrons
answer:
Amines are weak bases due to the presence of a lone pair of what on the nitrogen atom?

question:
Passage: Like the cells of all eukaryotes, animal cells have a nucleus and other membrane-bound organelles. Unlike the cells of eukaryotes in the Plant and Fungus Kingdoms, animal cells lack a cell wall. This gives animal cells flexibility. It lets them take on different shapes. This in turn allows them to become specialized for particular jobs. Answer: eukaryotes
answer:
Which kinds of cells have nuclei and other membrane bound organelles?