Choose the correct chemical structure of a dinucleotide composed of a and g and the dinucleotide composed of t and c in an antiparallel fashion to the previous structure. take into account the possible hydrogen bonds

#7 how does the structure of amino acids allow them to form a polypeptide? each amino acid has an amino group and a carboxyl group. each amino acid has a hydrogen atom and a carboxyl group. each amino acid has a carboxyl group and an r group. each amino acid has an r group and a hydrogen atom.