Answer:
Tertiary.
Explanation:
Primary structure of proteins refers to the order of amino acids that make up the protein. The heme is an nonprotein non-amino acid, so it is not involved at this stage.
Tertiary structure of proteins is the overall 3-D folding of the protein (it comes after secondary, which involves folding into a repeated pattern). The heme bonds to its correct position on the hemoglobin during this stage and helps in correct folding.
The Republic of Korea. (Check my source of the World Cancer Research Fund first.)
Stairs are an example of an incline plane.
A. Kidneys are the organs in the urinary system that produce urine after breaking it down from food.
