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1 vote
Which protein is part of red blood cells?
saliva
iron
hemoglobin
amino acid

2 Answers

4 votes

Answer:

The 3rd one is your answer

Step-by-step explanation:

Hope it helped (:

User Sangoku
by
6.0k points
5 votes
Hemoglobin if your answer
User Tokk
by
6.8k points