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 Input:
Question: What proteins span the entire plasma membrane? Answer: transmembrane

Ex Output:
Transmembrane proteins span the entire plasma membrane.


Ex Input:
Question: What describes the amount of solute in a solution? Answer: tonicity

Ex Output:
Tonicity describes the amount of solute in a solution.


Ex Input:
Question: What are formed by the loss of one or two electrons from an element? Answer: cations

Ex Output:

Cations are formed by the loss of one or two electrons from an element.