​The Active Form of Vitamin a Stored in the Liver

question 34

Multiple Choice

​The active form of vitamin A stored in the liver is:

• A)yellow.
• B)retinoic acid.
• C)​bright orange.
• D)​retinol.
• E)​beta-carotene.

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Definitions:

Exocrine Glands

Glands that release their secretions through ducts either out of the body or into the gastrointestinal tract, unlike endocrine glands, which release hormones directly into the bloodstream.

Propagation

The process of increasing the number of organisms in a species or spreading ideas and information among people.

Nervous System

The part of an organism that coordinates its actions by transmitting signals to and from different parts of its body.

Signals

Forms of communication or stimuli that elicit a response in biological systems or electronic devices.