Question

complete the paragraph to describe the phospholipid bilayer. inward repels attracts outward the environments inside the cell and outside the cell both contain water. the water the fatty acid tails and the phosphate - containing heads of the phospholipids. so the tails of the phospholipids face , and the heads face in the lipid bilayer.

Explanation:

• Fatty acid tails are hydrophobic (water - fearing), so water repels them.
• Phosphate - containing heads are hydrophilic (water - loving), so water attracts them.
• In a phospholipid bilayer, to avoid contact with water, the hydrophobic tails face inward (away from the water inside and outside the cell).
• The hydrophilic heads face outward (toward the water inside and outside the cell).

Answer:

The water repels the fatty acid tails and attracts the phosphate - containing heads of the phospholipids. So the tails of the phospholipids face inward, and the heads face outward in the lipid bilayer.