Which of the following statements is true regarding a basic amino acid?
A.) The hydrophilic R group of a basic amino acid will be located on the interior of a protein
B.) The positively charged R group of a basic amino acid could bind DNA
C.) The R group of a basic amino acid would only be able to form covalent bonds with other molecules
D.) A basic amino acid would be considered both polar and hydrophobic
E.) All of the above