Precursors Are Substances from Which an Active Substance Is Formed

question 22

Multiple Choice

Precursors are substances from which an active substance is formed.Nonessential nutrients cannot be synthesized from other substances.

• A) Both statements are true.
• B) Both statements are false.
• C) The first statement is true; the second is false.
• D) The first statement is false; the second is true.

---

Definitions:

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a major source of energy and structural components for organisms.

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.

Proteins

Large biomolecules composed of one or more chains of amino acids, essential for the structure, function, and regulation of the body's tissues and organs.

Chyme

The semi-fluid mass of partly digested food that moves from the stomach to the small intestine for further digestion.