Which Statement Is NOT True of the Organic Molecules of Cell

question 87

Multiple Choice

Which statement is NOT true of the organic molecules of cell membranes?

• A)Cholesterol forms carrier molecules.
• B)Proteins form receptors.
• C)Phospholipids make up the bilayer of the membrane.
• D)Oligosaccharides are self antigens.

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Definitions:

Cork Cells

Specialized cells in the bark of a plant that are dead at maturity and serve to protect and waterproof the plant.

Collenchyma

Living cells with moderately but unevenly thickened primary cell walls; collenchyma cells help support the herbaceous plant body.

Xylem

Xylem is the type of plant tissue responsible for the transport of water and nutrients from the roots to the leaves and stems, playing a critical role in plant vascular systems.

Periderm

The outer bark of woody stems and roots; composed of cork cells, cork cambium, and cork parenchyma, along with traces of primary tissues.