Each hemoglobin molecule is made up of four heme groups surrounding a globin group, forming a tetrahedral structure
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Proteins are formed from monomers called amino acids. These are naturally found substances that polymerize in order to form proteins. These are compounds which has amine and carboxyl groups and are characterized by an R-group. In proteins, there are about 20 amino acids that can be found.
Yes. They are aquatic animals.
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