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Health, 28.10.2019 22:31, mahdy43

What type of protein is hemoglobin and myoglobin?

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Biology, 06.07.2019 06:20, bfell92

Which of the following statements is false? which of the following statements is false? myoglobin is a single polypeptide chain folded about a heme prosthetic group. hemoglobin is a tetramer, each of which binds a heme group. in both hemoglobin and myoglobin, iron is chelated by a tetrapyrole ring system. the iron in both hemoglobin and myoglobin has two coordination sites that bind to oxygen.

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Biology, 08.10.2019 03:00, cougs

Which five statements about hemoglobin and myoglobin structure are true? each iron atom can form six coordination bonds. two of these bonds are formed between iron and oxygen. hemoglobin is a heterotetramer, whereas myoglobin is a monomer. both hemoglobin and myoglobin contain a prosthetic group called heme, which contains a central iron atom. each hemoglobin or myoglobin molecule can bind four oxygen molecules. molecular oxygen binds reversibly to fe2+ in heme. by itself, heme is not a good oxygen carrier. it must be part of a larger protein to prevent oxidation of the iron atom. heme is composed of an organic protoporphyrin component and a metal atom.

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Biology, 16.10.2019 21:20, jordanlacie65

Which five statements about hemoglobin and myoglobin structure are true? heme is composed of an organic protoporphyrin component and a metal atom. both hemoglobin and myoglobin contain a prosthetic group called heme, which contains a central iron atom. each hemoglobin molecule can bind four oxygen molecules; each myoglobin can bind only one oxygen molecule. hemoglobin and myoglobin are heterotetramers. each iron atom can form six coordination bonds. two of these bonds are formed between iron and oxygen. molecular oxygen binds reversibly to fe2+fe2+ in heme. by itself, heme is not a good oxygen carrier. it must be part of a larger protein to prevent oxidati

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