Vitamin B3: coenzyme form, functional groups, mechanism of action, biological role, sources, daily requirement, possible pathologies.
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- 14. Vitamin P: functional groups, mechanism of action, biological role, sources, daily requirement, possible pathologies.1. With the prevalence in food of peeled cereals or bread made from high-grade flour, hypovitaminosis B1 may occur. Explain the role that vitamin B, plays in the body. For this: a) name the coenzyme which contains vitamin B, and enzymes, which require this cocnzyme to function; b) write the process in which these enzymes are involved and explain how the process speed will change with a lack of B,; d) what discase develops in the absence of vitamin B,.II. Four years old boy experiences problems in dealing with physical load. Muscle biopsy has shown that carnitine concentration is 4 times less then, normal. Lipid vacuoles have bcen found in the cytosol of the muscle cells. What are the possible causes of such a condition of the patient? For the answer: a) draw the reactions of the specific metabolic pathway, disturbed in the patient; b) describe the role of carnitine in this process, supporting the answer with an appropriate scheme; c) describe the molecular mechanisms underlying the process offat accumulation in the myocytes of the patients with this disease.
- 1. What is a VITAMIN? 2. Make a table or matrix about the general properties of water soluble and fat soluble vitamins based on ABSORPTION, TRANSPORT, STORAGE, EXCRETION, TOXICITY, REQUIREMENTS, AND RELATIONSHIP TO COENZYME. 3. In a tabular form identify the different fat soluble (include the other names) and water soluble vitamins. 4. Identify the USE, DEFICIENCY, OTHER NAME AND DISTINCT PROPERTY of all FAT SOLUBLE VITAMIN. 5. Identify the USE, DEFICIENCY, OTHER NAME AND DISTINCT PROPERTY of all water SOLUBLE VITAMIN. 6. In a table or matrix give 3 dietary source of each vitaminB complex vitamins are best supplied by supplements include laetrile function as Coenzyme include vitamin CMatch the water soluble vitamin with its main function. coenzyme specifically with tryptophan metabolism, hemoglobin Choose... DNA, RNA, cell division Choose... thiamin, riboflavin, niacin vitamin C antioxidant, collagen synthesis, redox B12 Folate coenzyme B6 Choose... DNA, RNA, methionine metabolism >
- Write about the uses of beta-glucanase in daily life including industry, food, medicine etc... Disscuss in detail.1. Identify the USE, DEFICIENCY, OTHER NAME AND DISTINCT PROPERTY of all FAT SOLUBLE VITAMIN. 2. Identify the USE, DEFICIENCY, OTHER NAME AND DISTINCT PROPERTY of all water SOLUBLE VITAMIN. 3. In a table or matrix give 3 dietary source of each vitamin3. A patient has got excess carbohydrate meal for the years and gain the weight. To explain this: a) draw the schemes of TAG synthesis in the liver; b) describe the transport of TAG from the liver to adipose tissue; c) describe the functions of insulin in the conversion of glucose to TAG in the liver and adipose tissue. Glucose containing Catoms was added to isolated hepatocytes inanexperiment. Ifthe glucose was added in excess, the rate of triacylglyccrol synthesis increased.
- 6. Biological value of glycogen breakdown in muscles and liver.What is Mechanism of action of non Alcoholic fatty liver disease in human body?2. The patient's blood glucose concentration was 160 mg/dL 30 minutes after taking 100 g of sugar. The blood glucose level of the same patient 30 minutes after cating 100 grams of bread was lower. Why? To answer: a) draw the structures of sucrose and starch; b) describe the digestion of these carbohydrates, indicate the enzymes, the site of their synthesis, and the parts of the gastrointestinal tract in which the hydrolyzis of sucrose and starch occurs.
