Answer:
2) a feedback mechanism that regulates blood glucose level
Answer:
A vacuole is a membrane-bound organelle. They are a kind of vesicle. Vacuoles are closed sacs, made of membranes with inorganic or organic molecules inside, such as enzymes. They have no set shape or size, and the cell can change them as it wants.
Explanation:
Water is predominantly found in cell sap. It serves as a storehouse for the plant cell to act as a storage place for excess nutrients. A vacuole is a membrane-enclosed fluid filled sac.
When water freezes(ice) it expands slightly
think ice cube tray, and why the amount of ice you get is more than the amount of water you put in<span />