To answer the question, it’s essential to understand what a hypertonic solution is. A hypertonic solution has a higher concentration of solutes compared to the inside of a cell. When a red blood cell is placed in a hypertonic solution, water moves out of the cell via the process of osmosis, leading to cell shrinkage or crenation.
Out of the three options presented, it would not be desirable to be a red blood cell in a hypertonic solution because the cell would lose water and become dysfunctional. Rather, one would prefer to be the solvent—in this case, water—within the hypertonic solution. As the solvent, one can maintain its integrity and do not face the risk of dehydration or cell malfunction.
In terms of cell transport, it’s about maintaining homeostasis. Being the solvent allows one to participate in facilitating the transport of nutrients and waste materials without undergoing the detrimental effects of being trapped within a hypertonic environment. Therefore, opting to be the solvent minimizes risks associated with osmotic pressure and allows for better overall functionality.