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Hemoglobin: Quiz


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Question 1: Each heme group contains one iron atom, that can bind one oxygen molecule through ________-induced dipole forces.
Lithium-ion batteryIonElectrolyteHalf cell

Question 2: Hemerythrin: Some marine invertebrates and a few species of ________ use this iron-containing non-heme protein to carry oxygen in their blood.

Question 3: Some well-known hemoglobin variants such as ________ are responsible for diseases, and are considered hemoglobinopathies.
Glucose-6-phosphate dehydrogenase deficiencyHaemophiliaHemolytic anemiaSickle-cell disease

Question 4: Each subunit has a molecular weight of about 17,000 daltons, for a total ________ of the tetramer of about 68,000 daltons (64,458 g/mol)[23].
Atomic massHydrogenDeuteriumMolecular mass

Question 5: Hemoglobin concentration measurement is among the most commonly performed blood tests, usually as part of a ________.
Complete blood countSerum ironReticulocyte indexBlood film

Question 6: The name hemoglobin is the portmanteau of heme and globin, reflecting the fact that each subunit of hemoglobin is a globular protein with an embedded ________ (or haem) group.
HemeCofactor (biochemistry)MetalloproteinAdenosine triphosphate

Question 7: Hemoglobin variants are a part of the normal embryonic and fetal development, but may also be pathologic mutant forms of hemoglobin in a ________, caused by variations in genetics.
Population growthWorld populationOverpopulationPopulation

Question 8: Instead of a ________, these worms contain a population of bacteria constituting half the organism's weight.
Human gastrointestinal tractColorectal cancerPeritonitisAscending cholangitis

Question 9: The best known hemoglobinopathy is ________, which was the first human disease whose mechanism was understood at the molecular level.
Glucose-6-phosphate dehydrogenase deficiencyAnemiaSickle-cell diseaseHaemophilia

Question 10: Hence blood with high carbon dioxide levels is also lower in pH (more ________).
OxygenAcidAcid dissociation constantAcid–base reaction


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