WindsorLynne WindsorLynne

20-03-2017
Biology

contestada

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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Alivia2002 Alivia2002

20-03-2017

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.

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