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.

[Q]: Question: Ocean water appears cyan because microbes in the water preferentially absorb what color of light? Answer: red
[A]: Ocean water appears cyan because microbes in the water preferentially absorb red light.


[Q]: Question: The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to what short-chain amino acids? Answer: peptides
[A]: The enzyme pepsin plays an important role in the digestion of proteins by breaking down intact protein to peptides short-chain amino acids.


[Q]: Question: What is a reaction in which an atom or molecule is added to an unsaturated molecule, making a single product? Answer: an addition reaction
[A]:
An addition reaction is a reaction in which an atom or molecule is added to an unsaturated molecule, making a single product.