Hemoglobin is A. a digestive enzyme. B. a tiny nutrient carried in capillaries. C. an oxygen-carrying pigment in blood. D. part of the vertebrate nervous system.

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Cogsmos · Answer 1 · 2018-12-09T04:12:06+0000

A hemoglobin is a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group.

Hemoglobin is A. a digestive enzyme. B. a tiny nutrient carried in capillaries. C. an oxygen-carrying pigment in blood. D. part of the vertebrate nervous system.

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