A phospholipid molecule in a membrane can:
A)spin (rotate around its vertical axis).
B)move side to side (lateral movement).
C)flip (rotate between the two halves of the bilayer).
D)both spin (rotate around its vertical axis)and move side to side (lateral movement).

Question

Quizplus · Accepted Answer

Phospholipid molecules in a membrane can both spin (rotate around its vertical axis) and move side to side (lateral movement). However, they cannot flip (rotate between the two halves of the bilayer) without the help of specific enzymes or proteins.

A Phospholipid Molecule in a Membrane Can