Which of the Following Describes the Effect of Vitamin a in Foods

question 25

Multiple Choice

Which of the following describes the effect of vitamin A in foods? 

• A) Fast-food French fries are good sources of vitamin A. 
• B) Arctic explorers who have eaten large quantities of polar bear liver have become ill with symptoms suggesting vitamin A toxicity. 
• C) To date, scientists have been unable to solve the problem of vitamin A deficiencies in developing countries. 
• D) Chlorophyll in vegetables can be converted to active vitamin A in the intestinal cells. 
• E) Pregnant women should eat at least one ounce of beef liver per day to help ensure normal fetal eye development.

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Definitions:

Inductive Destabilization

The destabilization of a molecule due to the transmission of charge through bonds, typically affecting reactivity and stability.

Resonance

A concept in chemistry where a molecule is represented by two or more structures to depict its electron distribution more accurately.

Friedel-Crafts Alkylation

A chemical reaction process that introduces an alkyl group into an aromatic ring, typically using an alkyl halide and a strong Lewis acid catalyst.

Limitations

Refers to the restrictions or constraints that may hinder progress or achievement in a certain context or system.