Why do we mash the strawberry in salty, soapy water?

USE VIDEO TO ANSWER QUESTIONS
https://www.youtube.com/watch?v=hOpu4iN5Bh4

  1. Why do we mash the strawberry in salty, soapy water?
  2. Why do we use alcohol?
  3. After you add alcohol, what is in the snot-like mass?
  4. If this were a lab, what could you do with the material you separated snot-like glob?
  5. What other application could you use the technique for--other than strawberry research?