What part of a cell prevents water from entering the cell?

A. Electron transport chains

B. Transport proteins

C. Ribosomes

D. Phospholipids

The answer is D. Phospholipids.

Cell membranes are based on a framework of fat-based molecules called phospholipids, which physically prevent water-loving, or hydrophilic, substances from entering or escaping the cell.

Cell membranes are based on the framework of fit base molecules called phospholipids which physically prevent water loving So D