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 is the highest taxon in the classification of living things? Answer: a domain
[EX A]: A domain is the highest taxon in the classification of living things.

[EX Q]: Question: Where are protons and neutrons located? Answer: central nucleus
[EX A]: Protons and neutrons are located in the central nucleus.

[EX Q]: Question: Substances enter any plant or animal cell by passing through which of the following structures? Answer: cell membrane
[EX A]:
Substances enter any plant or animal cell by passing through cell membrane of the following structures.