Glucose is an important biomolecule. which of these statements is true regarding the movement of glucose into and out of cells? a) glucose, a small molecule, can diffuse between the phospholipids. b) glucose requires both a membrane protein and atp energy in order to enter or exit a cell. c) glucose, a nonpolar molecule, can pass freely across the phospholipid bilayer from high to low concentration. d) glucose is a large, hydrophilic molecule and must use a channel protein to enter or exit a cell, but does not require energy.