Tagged: lactose

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Prolonged fasting and gluconeogenesis…

A 14-year-old high school girl who is extremely conscious about her appearance has gone a full day fasting to fit in to a dress she intentionally brought a size smaller than her actual size for a dance party. Which of the following organs/tissues contribute to the glucose that is being synthesized through gluconeogenesis during periods of prolonged fasting? A. Spleen B. Red blood cells C. Skeletal muscle D. Liver E. Brain D-Liver is the correct answer. Gluconeogenesis is the process of converting noncarbohydrate precursors to glucose or glycogen. The major substrates are the glucogenic amino acids, lactate, glycerol, and propionate....

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Case study- Lactose Intolerance

Case details A 30- year-old Asian male presents with bloating, abdominal cramps, and diarrhea. He states that he develops these symptoms whenever he drinks milk or eat dairy products. He is diagnosed with lactose intolerance, a common condition in which lactose is not digested normally and accumulates in the gut. Lactase converts lactose into : A. Two glucose molecules B. Glucose and Fructose C. Glucose and Galactose D. Fructose and Galactose E. Sucrose and Maltose Answer- The correct answer is C- Glucose and galactose. Lactose is a disaccharide made up of Galactose and glucose residues  linked together by beta 1-4...

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Case study- Lactose intolerance

QUESTION OF THE DAY A 30- year-old Asian male presents with bloating, abdominal cramps, and diarrhea. He states that he develops these symptoms whenever he drinks milk or eat dairy products. He is diagnosed with lactose intolerance, a common condition in which lactose is not digested normally and accumulates in the gut. Lactase converts lactose into : A. Two glucose molecules B. Glucose and Fructose C. Glucose and Galactose D. Fructose and Galactose E. Sucrose and Maltose For answer- follow the link http://usmle.biochemistryformedics.com/answer-case-study-lactose-intolerance/   Please help Biochemistry for Medics by “CLICKING ON THE ADVERTISEMENTS” every time you visit us. Thank...

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