AP BIOLOGY

THE HUMAN IMMUNE SYSTEM

BLOOD GROUPS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Blood is red because red blood cells have molecules called ____ that bond with and carry oxygen.
A
Hemoglobin
B
Myoglobin
C
Chemoglobin
D
Ironglobin
Explanation: 

Detailed explanation-1: -Hemoglobin (Heme + Globin) The protein hemoglobin is a molecule which is responsible for carrying almost all of the oxygen in the blood. It is composed of four subunits, each with a heme group plus a globin chain.

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