Given a scientific question, generate a correct answer to it.

[EX Q]: What is defined as a repeating series of events that include growth, dna synthesis, and cell division?
[EX A]: cell cycle

[EX Q]: For skeletal development, the most common template is what?
[EX A]: cartilage

[EX Q]: Radon is inert and generally unreactive because it is which kind of gas?
[EX A]:
noble gas