The ensemble of formations and folds in a single linear chain of amino acids sometimes called a polypeptide constitutes the tertiary structure of a protein. Finally, the quaternary structure of a protein refers to those macromolecules with multiple polypeptide chains or subunits.
Mouth, throat, stomach, long intestine, small intestine, then you know what happens after that...
Answer:
D. Geologic process that we observed today occurred the same way in the past.
Explanation:
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