The Active Form of Vitamin a That Functions in Vision

question 54

Multiple Choice

The active form of vitamin A that functions in vision is:

• A)opsin.
• B)retinol.
• C)retinal.
• D)retinoic acid.
• E)tryptophan.

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Definitions:

English Common Law

A legal system developed in England and used as the basis of jurisprudence in many English-speaking countries, characterized by the doctrine of judicial precedent.

Trespass

An unauthorized intrusion or entering onto someone else's property which infringes on the right of the owner.

Tort

A civil wrong that causes someone else to suffer loss or harm resulting in legal liability for the person who commits the tortious act.

Tortfeasor

One who commits a tort.