The branch of the U.S. government that is composed of the president and all the individuals, agencies, and departments that report to the president, and that is responsible for administering and enforcing the laws that Congress passes.
Proteins are biological polymers composed of amino acids. Amino acids, linked together by peptide bonds, form a polypeptide chain. One or more polypeptide chains twisted into a 3-D shape form a protein. Proteins have complex shapes that include various folds, loops, and curves.
For the best answers, search on this site https://shorturl.im/avbth. e. peptide The covalent bond that links amino acids together is called a peptide bond. Two amino acids linked together by a peptide bond is called a dipeptide. When many amino acids are linked together by peptide bonds it is called a polypeptide. ------------------------- Peptide bond A covalent bond between two amino acids, in which the carboxyl group of one amino acid and the amino group of another amino acid react to form an amide bond. (Protein Evolution: Second Edition.