Biology

Biology, 21.07.2019 21:30, Kittylover65

What is the dietary iron of food sources not associated with hemoglobin called?

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Biology, 10.07.2019 18:00, brainewashed11123

An adolescent is diagnosed with iron deficiency anemia. after emphasizing the importance of consuming dietary iron, the nurse asks him to select iron-rich breakfast items from a sample menu. which selection demonstrates knowledge of dietary iron sources?

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Biology, 17.07.2019 20:40, lalacada1

List 10 excellent food sources (with high bioavailability) and 10 poor food sources each of zinc, iron, calcium, magnesium. (make some study cards for this question and really learn this! there are always nclex questions on food sources of nutrients.)

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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, 09.11.2019 06:31, youngsiron

Red blood cells are for oxygen transport and contain a pigment called hemoglobin. *this pigment consists of four highly folded chains with a group containing iron at the of each chain. *the iron combines with oxygen. *hemoglobin thus accepts oxygen in the and releases it in the . *carbon monoxide also attaches to hemoglobin and then easily let go. each hemoglobin can transport molecules of oxygen.

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