Heme metabolism - Study guides, Class notes & Summaries

According to the Glucostatic theory, signals are sent to the _________ to tell the brain that the body is satiated after eating. a. Adrenal Gland b. Lymphatic system c. Hypothalamus d. Pancreas - c. Hypothalamus What is the role of estrogen in bone loss? a. Estrogen increases resorption of vitamin D from bone b. Estrogen decreases resorption of calcium from the bone c. Estrogen increases resorption of calcium from the bone d. Estrogen decreases resorption of vitamin D from bone - b. Es...

Which statement is true? a. Heme is commonly found within seawater b. Heme-based proteins played a key role in the metabolism of carbon dioxide into forms less toxic to cells. c. Heme-based proteins likely developed as a means by which Fe was transported safely. d. Oxygen binding to heme is insensitive to the presence of acid in mammals. e. Early anaerobic life used heme-based proteins to minimize oxygen toxicity. -:- (e) Early anaerobic life used heme-based proteins to minimize oxyg...

What is hemoglobin composed of? - Answer-4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? - Answer-Porphyria Porphyria - Answer-Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme. The principal problem in these deficiencies is the accumulation of porphyrins, the heme precursors, which are toxic to tissue in high concentrations. What is methemoglobin? - Answer-Methemoglobin is a form of hemoglobin that contains ferric [...

The biochemical relationship between color and behavior in domestic animals is found in the metabolic conversion of DOPA to Dopamine and melanin. A. True B. False - correct answer True The capybara is an example of a potential microlivestock domesticated animal that could replace cattle ranching in the flood plains of South America. A. True B. False - correct answer False Bos taurus and Bos indicus animals were believed to have been domesticated from the auroch (Bos primigenius) about ...

AAB MT Hematology Question and answer 2023/2024 verified to pass What is hemoglobin composed of? - correct answer 4 heme, 4 iron, 4 globins What disorder does a defect in heme synthesis lead to? - correct answer Porphyria Porphyria - correct answer Deficiency in the enzymes of the porphyrin pathway leads to insufficient production of heme. The principal problem in these deficiencies is the accumulation of porphyrins, the heme precursors, which are toxic to tissue in high concentrations. ...

what are the water soluble vitamins - ANSWERB-complex vitamins, choline, and vit. C what are the fat soluble vitamins - ANSWERA, D, E, K which type of vitamins do you develop toxicity with - ANSWERfat soluble Deficiency of any of these nutrients will affect overall blood health - ANSWERvit. B12, iron, folate, zinc, vit. B6, copper, vit. K active Transport/storage of folate needed for heme and cell formation and other functions - ANSWERvit. B12 (cobalamin) Distributes o...

According to the Glucostatic theory, signals are sent to the _________ to tell the brain that the body is satiated after eating. a. Adrenal Gland b. Lymphatic system c. Hypothalamus d. Pancreas - Answer- c. Hypothalamus What is the role of estrogen in bone loss? a. Estrogen increases resorption of vitamin D from bone b. Estrogen decreases resorption of calcium from the bone c. Estrogen increases resorption of calcium from the bone d. Estrogen decreases resorption of vitamin D from bon...

A nurse is educating a client who has anemia about dietary intake of iron. Which of the following is a non-heme source of iron? A. Ground beef B. Dried beans C. Salmon D. Turkey - B. Dried beans Dried beans provide non-heme iron, as do other legumes, vegetables, and grains. A, C, D are animal products, which provides heme iron A nurse is discussing foods that are high in vitamin D with a client who is unable to be out in the sunlight. Which of the following should be included in the t...

NR 228 Nutrition Exam 2 Complete and Updated Study Guide | Latest 2023/2024 - Chamberlain Thiamin (B1) ️ Water-soluble vitamin Coenzyme energy metabolism; muscle nerve action Part of an enzyme needed for energy metabolism Important to nerve function Where do we get Thiamin (B1) ️ pork, whole-grain or enriched breads and cereals, legumes, nuts and seeds Thiamin (B1) deficiency ️ Beriberi!!, neuritis, edema, cardiac failure Riboflavin (B2) ️ water soluble Coenzyme energy metaboli...

fate of drugs correct answer: Absorption Distribution Metabolism Elimination pharmacokinetics correct answer: what the body does to the drug pharmacodynamics correct answer: what the drug does to the body what happens during pharmacokinetics (metabolism) correct answer: -enzymes convert active drug to inactive metabolites for excretion -enzymes convert inactive drugs (prodrugs) to active drugs -enzymes convert active drugs to active metabolites (metabolites may have a different...