protein structure, amino acid, peptide chain, polypeptide. dna formation, protein compound digestion. bonds.

circle font brand diagram line toy play ball cartoon text organ games logo pattern design presentation screenshot art food protein peptides structure amino acids digestion polypeptide formation chain primary dna biochemical level inorganic stage creation press contrast proteases enzymes cell functions basically tripeptide metabolites luca chemical vector prebiotic origin beginning life dipeptides secondary anatomy colored model antibodies biology steps nasal compound shape molecular atomic chemistry individual sermorelin bond nh2 peptide bonds color acid polypeptide digestion bonds