Vitamins and Minerals Overview

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Which type of vitamins are required in very small amounts and involved in fundamental functions in the body?

Water soluble vitamins

What is the storage form of Vitamin A?

Retinyl palmitate

How is Vitamin A transported in the circulation for storage in the liver?

Released as retinol bound to RBP

Which gene level mediator binds to target genes when activated by all-trans-retinoic acid (RA)?

Retinoid receptors

What enzyme is responsible for bio-converting provitamin-A carotenoids to Vitamin A molecules in the small intestine?

Carotene cleavage enzyme

What is the most specific and characteristic early symptom of Vitamin A deficiency?

Night blindness

Which protein is involved in delivering retinol (Vitamin A) as well as thyroid hormone to tissues?

RBP (Retinol binding protein)

Which physiological activity is regulated by vitamin A's active form, retinoic acid, among the following?

Cell division

What is a common symptom associated with Vitamin A deficiency that affects vision?

Delayed adaptation to the dark

Which eye structure is specifically affected in Vitamin A deficiency, leading to blindness?

Cornea

Learn about the fundamentals of vitamins and minerals, their classifications based on clinical properties, and the essential roles they play in the body. Explore the distinction between water-soluble and fat-soluble vitamins, with a specific focus on Vitamin A.

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