A hemoglobin molecule is composed of
A) just two protein chains.
B) just three protein chains.
C) just four protein chains and nothing else.
D) four protein chains and four heme groups.
E) four heme groups but no protein.
Correct Answer:
Verified
Q21: Under normal circumstances, aged and damaged erythrocytes
Q22: Platelets are
A) large cells that lack a
Q23: Each red blood cell is shaped as
Q24: Red blood cell production increases when
A) oxygen
Q25: The function of hemoglobin is to
A) carry
Q27: The carrier protein that transports absorbed iron
Q28: The intrinsic pathway of coagulation is activated
Q30: Platelets function in
A) transporting chemicals important for
Q31: The extrinsic pathway of coagulation is activated
Q66: The process of red blood cell production
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