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BIO_319_Vitamins_7

QuestionAnswer
Key functions of Vitamins 1. Coenzyme Functions 2. Antioxidants 3. Hormones
Stages of Vitamin Deficiency 1. Preliminary Stage 2. Biomechanical Deficiency 3. Physiological Deficiency 4. Clinically manifest vitamin deficency
Vitamin A - PA form = Retinol - Body forms from a provitamin called Beta-carotene - Formation of epithelial - Eye sight - Antioxidant
Vitamin D - PA Form = Calcitriol - 90% from sunlight, 10% from food - Central role is bone metabolism
Vitamin E - PA = Alpha/Gamma tocpherol - Key role is an antioxdant in the cell membrane
Vitamin K - PA = Menadione - Key role is to Clot blood
Vitamin B1 (Thiamin) - Functions to help nervous system
Vitamin B2 (Riboflavin) - Degrades with sun light (Milk) - FAD and FMN are the 2 coenzymes used for energy production
Vitamin B3 (Niacin) - NADP and NAD+ act as coenzymes to breakdown fatty acid
Vitamin B6 (Pyridoxine) - Coenzyme for over 60 enzymes
Vitamin B12 (Cobalamin) - Key role in: - DNA formation - Forms blood cell - Forms Myelin Sheath - Stored in Liver for years - Only water soluble Vitamin that stores
Folate - Key role in: - Metabolism of Methionine - Critical role in DNA formation - Needed for rapid cell division
Pantothenic Acid - Essential Component for Coenzyme A
Biotin Key roles in: - coenzyme involved in CO2 transfer - Gluconeogenisis - Supports healthy hair, nails, skin
Vitamin C (ascorbic Acid) Key roles in: - Antioxidant - Helps absorb Iron - Healing of wounds through scar tissue
Created by: user-1763297
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