The Composition of Lipids in the Outer and Inner Monolayers

question 60

Multiple Choice

The composition of lipids in the outer and inner monolayers of cell membrane lipid bilayers is

• A)asymmetrical; i.e.,different in each monolayer.
• B)identical in each monolayer.
• C)twice as concentrated in the inner monolayer as in the outer monolayer.
• D)highly random for each monolayer.
• E)the same for all cell plasma membranes but different from the composition in mitochondrial and chloroplast membranes.

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Definitions:

Glucose Absorbed

The process by which glucose, a simple sugar, is taken up from the intestinal tract into the bloodstream, providing energy for cellular activities.

Vitamins A, E, D, K

Fat-soluble vitamins essential for various bodily functions such as vision, antioxidant protection, bone health, and blood clotting.

Lipids

A group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others.

Vasoconstriction

The narrowing of blood vessels, which increases blood pressure and reduces blood flow to certain areas of the body.