How do archaeal and eukaryotic cell membranes differ?
a. Archaeal membrane phospholipids form covalent bonds with one another, but eukaryotic membrane
phospholipids do not.
b. Eukaryotic membrane phospholipids are not composed of fatty acids, but archaeal membrane phospholipids
are.
c. Archaeal phospholipids move freely throughout the bilayer, but eukaryotic membrane phospholipids are
stationary.
d. Archaeal, but not eukaryotic, membranes are described by the fluid mosaic model.
e. Eukaryotic membranes are less fluid than archaeal membranes.
ANSWER: a
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