The Following Statements About Retinol Are True EXCEPT

question 72

Multiple Choice

The following statements about retinol are true EXCEPT:

• A) It is toxic at high dosages.
• B) It has hormone-like activity in that it has cellular receptors which act as transcription enhancers.
• C) It can be oxidized in the body to retinoic acid.
• D) It is an intermediate in the isomerization of trans-retinal to 11-cis-retinal in the visual cycle of the eye.
• E) It cannot be stored for long periods in the body.

---

Definitions:

Tangible Asset

Physical assets such as real estate, equipment, and inventory, distinguished from intangible assets like patents and copyrights.

Trade or Business

Any activity carried on for the production of income from selling goods or performing services.

Necessary Expense

An expense that is considered essential for the generation of income or for maintaining a living condition, often considered for tax deductions.

Taxpayer's Business

This term generally refers to any business activity or venture that is conducted with the aim of generating income or profit taxable to the individual or entity undertaking the activity.