Electrolyte balance is NOT necessary for maintaining homeostasis in the body.

A. Help in the formation of cell membranes: Lysosomes do not participate in building cell membranes. Their main role is to digest cellular waste, foreign particles, and damaged organelles, not to synthesize structural components like membranes.

B. Digesting particles taken in by endocytosis: Lysosomes contain hydrolytic enzymes that break down materials brought into the cell via endocytosis, helping the cell recycle nutrients and eliminate debris.

C. Degrading worn-out or nonfunctional organelles: Lysosomes perform autophagy, digesting damaged or obsolete organelles to maintain cellular health and prevent accumulation of dysfunctional components.

D. Breaking down bone to release calcium ions into the blood: Specialized lysosomes in osteoclasts secrete enzymes that degrade bone matrix, releasing calcium and phosphate ions into circulation, which is part of normal bone remodeling.

A. The cells will shrink at first, but will later reach equilibrium with the surrounding solution and return to their original condition: If the solute cannot cross the membrane, the cells cannot regain water through solute equilibration, so they will not return to their original size.

B. The cells will show no change due to diffusion of both solute and solvent: In a hypertonic solution where the solute is impermeable, only water can move, so diffusion of solute does not occur and the cell will be affected by water loss.

C. The cells will lose water and shrink: Water moves out of the cell by osmosis to balance the higher extracellular solute concentration. The loss of water causes the cells to shrink, a process called crenation.

D. The cells will swell and ultimately burst: Swelling occurs in a hypotonic solution where water enters the cell due to lower solute concentration outside. In a hypertonic solution, the opposite occurs, so bursting does not happen.