Question

The specialized functions of different membranes are largely determined by the proteins they contain. Membrane lipids are amphipathic molecules, composed of a hydrophilic portion and a hydrophobic portion. All cell membranes have the same lipid bilayer structure, with the fatty acid tails of the phospholipids facing into the interior of the membrane and the ________ on the outside.

1) amphipathic
2) hydrophobic
3) phosphatidylserine
4) cholesterol
5) lipid bilayer
6) phospholipids
7) fatty acid tails
8) lipid monolayer proteins
9) glycolipids
10) lipids
11) sterols
12) hydrophilic head groups
13) phosphatidylcholine
14) sugars

Answer 1

The hydrophilic head of membrane lipids face the exterior of the cell membrane, while the hydrophobic fatty acid tails face the interior.

Step-by-step explanation:

The hydrophilic head of membrane lipids face the exterior of the cell membrane, while the hydrophobic fatty acid tails face the interior.