Biology
Biology, 20.08.2019 04:30, jaylaa04

Which biological molecule is associated with iron (fe) ions?
a. histone
b. catalase
c. chlorophyll
d. hemoglobin
e. rna polymerase

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Chemistry, 25.07.2019 03:10, spaztrid
Hemoglobin, a protein in red blood cells, carries o2 from the lungs to the body's cells. iron (as ferrous ion, fe2+) makes up 0.33 mass % of hemoglobin. if the molar mass of hemoglobin is 6.8 × 104 g/mol, how many fe2+ ions are in one molecule?
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Chemistry, 30.08.2019 11:20, wilkoASK2919
Hemoglobin, a protein in red blood cells, carries o2 from the lungs to the body's cells. iron (as ferrous ion, fe2+) makes up 0.33 mass % of hemoglobin. if the molar mass of hemoglobin is 6.8 ã 104 g/mol, how many fe2+ ions are in one molecule?
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Chemistry, 24.09.2019 00:20, katelyn0402
Hemoglobin is a large protein molecule that is responsible for carrying oxygen through the blood. iron ions are a relatively small component of hemoglobin. there are four fe2+ions that are part of the much larger hemoglobin structure. in a single red blood cell there are 2.50x108molecules of hemoglobin. if a single fe2+ion has an atomic radius of 75.1 pm and a redblood cell has a volume of 95 μm3, what percentage of the total red blood cell volume is taken up by fe2+ions?
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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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Do you know the correct answer?
Which biological molecule is associated with iron (fe) ions?
a. histone
b. catalase

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