BBCCT-113 – Metabolism of Amino Acids and Nucleotides

Describe biosynthesis of non essential amino acids of aromatic amino acid family

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Describe Biosynthesis of Non-Essential Amino Acids of Aromatic Amino Acid Family The aromatic amino acid family primarily includes phenylalanine, tyrosine, and tryptophan. Among them, tyrosine is considered non-essential because it can be synthesized from phenylalanine in humans. Tryptophan and phenylalanine are essential and must be obtained from the diet. 1. Tyrosine Biosynthesis Tyrosine is synthesized […]

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Explain the following disorders of amino acid metabolism: Homocystinuria and Hartnup disease

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Explain the Following Disorders of Amino Acid Metabolism: Homocystinuria and Hartnup Disease a) Homocystinuria Homocystinuria is an inherited disorder caused by a deficiency in the enzyme cystathionine beta-synthase (CBS), which leads to the accumulation of homocysteine and methionine in the blood and urine. This disorder is typically inherited in an autosomal recessive pattern. Causes and

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Explain the catabolism of amino acids that are converted to pyruvate

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Explain the Catabolism of Amino Acids That Are Converted to Pyruvate Amino acids can be classified as glucogenic, ketogenic, or both based on the end products of their catabolism. Glucogenic amino acids are converted into intermediates that enter the gluconeogenesis pathway, such as pyruvate. Several amino acids—specifically alanine, serine, cysteine, glycine, threonine, and tryptophan—can be

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Write short note on Marasmus

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Write Short Note on Marasmus Marasmus is a severe form of protein-energy malnutrition that typically affects children under the age of five, especially in developing countries. It results from a prolonged deficiency in calorie intake, including proteins, carbohydrates, and fats. Causes Chronic undernutrition due to poverty or food scarcity Repeated infections that increase nutrient requirements

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Draw nitrogen cycle and explain biological nitrogen fixation

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Draw Nitrogen Cycle and Explain Biological Nitrogen Fixation Nitrogen Cycle Overview The nitrogen cycle describes the natural processes by which nitrogen is converted between its various chemical forms in the environment. This transformation allows nitrogen to be available for plants and animals to use. The key stages of the nitrogen cycle include nitrogen fixation, nitrification,

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