What is valency pls i need it now​

Is heavenly controller dating someone?

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

#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.