In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Example Input: Question: What molecule is used for most energy functions in organisms? Answer: atp or adenozine triphosphate
Example Output: Atp or adenozine triphosphate is used for most energy functions in organisms.

Example Input: Question: The lungs of mammals are unique in having what? Answer: alveoli
Example Output: The lungs of mammals are unique in having alveoli.

Example Input: Question: When amino acids bind together, they form a long chain called what, which is an essential component of protein? Answer: polypeptide
Example Output:
When amino acids bind together, they form a long chain called a(n) polypeptide, which is an essential component of protein.