Problem:
Polyethylene glycol (PEG) is a compound of very hi gh molecular weight and does not enter the plasma membrane of the cells. Y ou are asked by your boss to carry out an experiment in which pine cultured c ells must experience water stress during a period of 50 days. On your lab ben ch you have a bottle of sucrose and a bottle of PEG.
Required:
Question: Which compound would you choose to add into the medium for your experiment?
Does anybody know any source of this kind?