One cell sends second messengers to another cell through gap junctions. what type of signaling would this be considered?

Yes. That was the question he was trying to answer.

Explanation:

To conduct the experiment investigating the connection between pillows and disease-causing gems, Dr. Philip needs to ask himself whether the pillows that will be used in the research contain germs that contribute to allergies in a family. This question allows Dr. Philip to have the basis to start his research and come to a conclusion about the pillows used in the research. Furthermore, the research points directly to the main point of the story.