Newly synthesized membrane lipids are found in both halves of a membrane bilayer because they are
A) synthesized on one surface and flipped to the other surface by flippases.
B) removed and transported to these locations by lipid transport proteins.
C) synthesized on one surface and flipped spontaneously to the other surface.
D) synthesized on both surfaces.

Question

Quizplus · Accepted Answer

Lipids are synthesized on one surface of the membrane bilayer and then flipped to the other surface by enzymes known as flippases, ensuring even distribution across both halves of the bilayer.

Newly Synthesized Membrane Lipids Are Found in Both Halves of a Membrane