{"@context":"https://schema.org/","@type":"Quiz","dateCreated":"2026-07-03T07:17:40.820Z","dateModified":"2026-07-03T07:17:40.820Z","typicalAgeRange":"11-18","educationalLevel":"CPET","assesses":"Chemistry - Biomolecules","educationalAlignment":[{"@type":"AlignmentObject","alignmentType":"educationalTopic","targetName":"Biomolecules"},{"@type":"AlignmentObject","alignmentType":"educationalSubject","targetName":"Chemistry"},{"@type":"AlignmentObject","alignmentType":"educationalExam","targetName":"CPET"}],"name":"Quiz about Biomolecules","about":{"@type":"Thing","name":"Chemistry - Biomolecules"},"hasPart":[{"@type":"Question","eduQuestionType":"Multiple choice","learningResourceType":"Practice problem","educationalLevel":"intermediate","name":"Question About Biomolecules","text":"Oxymyoglobin and oxyhemoglobin, respectively, are:}","encodingFormat":"text/markdown","comment":{"@type":"Comment","text":"Oxygen binding switches iron from high spin to low spin, pairing all d electrons."},"suggestedAnswer":[{"@type":"Answer","position":0,"encodingFormat":"text/markdown","text":"

Paramagnetic and diamagnetic

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

Diamagnetic and diamagnetic

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":2,"encodingFormat":"text/markdown","text":"

Paramagnetic and paramagnetic

","comment":{"@type":"Comment","text":"\"\""}},{"@type":"Answer","position":3,"encodingFormat":"text/markdown","text":"

Diamagnetic and paramagnetic

","comment":{"@type":"Comment","text":"\"\""}}],"acceptedAnswer":{"@type":"Answer","position":1,"encodingFormat":"text/markdown","text":"

Diamagnetic and diamagnetic

","comment":{"@type":"Comment","text":"Oxygen binding switches iron from high spin to low spin, pairing all d electrons."},"answerExplanation":{"@type":"comment","text":"Deoxy Fe(II) porphyrin is 5-coordinate, high spin, S=2. O2 as sixth ligand is strong field, gives low spin Fe2+, S=0, zero magnetic moment. Same for both proteins.\\[\\boxed{\\text{Diamagnetic and diamagnetic}}\\]"}}}]}

Oxymyoglobin and oxyhemoglobin, respectively, are:

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The Correct Option is B

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