Answer:
B. a substance that can donate an H+ ion
Explanation:
The answer is, "B", "Ribosomal RNA".
<span>The cell has 1% concentration of the salt. The external environment is highly concentrated with 25% saline solution. This will lead to release of water outside the cell, by passive diffusion from a region of high conentration of solvent to lower concentration. Thus, the cell will shrink.</span>