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.

[EX Q]: Question: What type of organisms do not need blood? Answer: single-celled
[EX A]: Single-celled type of organisms do not need blood.

[EX Q]: Question: What are the most numerous and diverse biochemical compounds? Answer: proteins
[EX A]: Proteins are the most numerous and diverse biochemical compounds.

[EX Q]: Question: A binary molecular compound is made up of two of what? Answer: elements
[EX A]:
A binary molecular compound is made up of two  elements.