In the Term Trace Element, the Modifier Trace Means That

question 16

Multiple Choice

In the term trace element, the modifier trace means that

• A) the element is required in very small amounts.
• B) the element can be used as a label to trace atoms through an organism's metabolism.
• C) the element is very rare on Earth.
• D) the element enhances health but is not essential for the organism's long-term survival.
• E) the element passes rapidly through the organism.

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Definitions:

Citric Acid Cycle

A series of chemical reactions used by all aerobic organisms to release stored energy through the oxidation of acetyl-CoA derived from carbohydrates, fats, and proteins.

Oxaloacetic

Relating to oxaloacetic acid, a four-carbon molecule critical in the citric acid cycle for energy production within cells.

Acetyl-CoA

is an important molecule that plays a central role in metabolism, acting as a substrate for the citric acid cycle and fatty acid synthesis.

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a major energy source for the body and include sugars, starches, and fibers.