Given a scientific passage and an answer, generate a question for the given answer.

[Q]: Passage: Saturated hydrocarbons contain only single bonds between carbon atoms. They are also called alkanes. They may form straight-chain, branched-chain, or cyclic molecules. Compounds with the same number of atoms but different shapes are called isomers. Answer: alkanes
[A]: What is another word for saturated hydrocarbons?

[Q]: Passage: Potential energy is energy that is stored in a person or object. Answer: potential energy
[A]: Energy that is stored in a person or object is called?

[Q]: Passage: Figure 4.13 Ribosomes are made up of a large subunit (top) and a small subunit (bottom). During protein synthesis, ribosomes assemble amino acids into proteins. Answer: amino acids
[A]:
During protein synthesis, ribosomes assemble what into proteins?