DNA

question 21

Multiple Choice

DNA

• A)is a protein.
• B)plays no role in the synthesis of fats.
• C)stores genetic information, including instructions for enzymes that synthesize fats and carbohydrates.
• D)is routinely broken down to provide cellular energy.

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Definitions:

Extracellular Matrix

A complex network of proteins, glycoproteins, and other molecules outside cells, providing structural and biochemical support to surrounding cells.

Smooth ER

A type of endoplasmic reticulum in cells, lacking ribosomes, involved in lipid synthesis, detoxification, and calcium ion storage.

Cholesterol

A waxy, fat-like substance found in all cells of the body, necessary for the production of hormones, vitamin D, and bile acids.

Basal Body

Structure involved in the organization and anchorage of a cilium or flagellum. Structurally similar to a centriole; each is in the form of a cylinder composed of nine triplets of microtubules (9 × 3 structure).