Question

the phosphate group of a phospholipid is water ________. soluble permeable insoluble

Explanation:

Phospholipids have a phosphate - containing head group. The phosphate group is polar, and water is a polar molecule. According to the principle of "like dissolves like", polar substances dissolve in polar solvents. So the phosphate group of a phospholipid is water - soluble.

Answer:

A. soluble