Which of the following is/are TRUE about a cell’s plasma membrane? (CHOOSE ALL THAT APPLY.) Question 3 options:

Plant cells have a cell wall instead of a plasma membrane.

Proteins are embedded in the plasma membrane and contribute to its function.

The exterior of a phospholipid bilayer is hydrophilic, and the interior is hydrophobic (see figure above).

The plasma membrane regulates the movement of molecules and ions into and out of the cell.