BIOMOLECULES AND ENZYMES

Detailed explanation-1: -A peptide bond. This covalent bond forms when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom (blue) from the amino group of a second amino acid.

Detailed explanation-2: -The subunits are held together by hydrogen bonds and van der Waals forces between nonpolar side chains. The subunits in a quaternary structure must be specifically arranged for the entire protein to function properly.

Detailed explanation-3: -Introduction to Protein Structure The amino acids in polypeptides are held together bypeptide bonds. Adipeptide is formed by a reaction between the -carboxyl and -amino groups of two amino acids.

Detailed explanation-4: -A peptide bond is basically an amide-type of covalent chemical bond. This bond links two consecutive alpha-amino acids from C1 (carbon number one) of one alpha-amino acid and N2 (nitrogen number two) of another. This linkage is found along a peptide or protein chain.

Detailed explanation-5: -A peptide is two or more amino acids joined together by peptide bonds, and a polypeptide is a chain of many amino acids. A protein contains one or more polypeptides. Therefore, proteins are long chains of amino acids held together by peptide bonds.