Which of the Following Statements Is True of Niacin

question 26

Multiple Choice

Which of the following statements is true of niacin?

• A) It can be synthesized in the body from the amino acid tryptophan.
• B) It can be used successfully to cure schizophrenia.
• C) It is water soluble and therefore safe to administer in large doses.
• D) It is an antioxidant.
• E) A deficiency during pregnancy can lead to neural tube defects.

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Definitions:

Rock Strata

Layers of sedimentary rock that are arranged in a chronological sequence, each layer typically representing a period of geological time.

Erosion

The process by which natural forces such as water, wind, ice, and gravity wear away soil, rock, or land.

Origination Rate

The speed at which new species or genetic variations appear within a given lineage or ecosystem over time.

Extinction Rate

The rate at which species or other taxa disappear from Earth, an important factor in studying biodiversity and the effects of human activities and natural events on ecosystems.