Elaborate on the reason that "cola" type drinks are used to make effective marinades.

a) the basic ph of cola flavors and sweetens the marinade.
b) the phosphoric acid in cola to break down the meat.
c) the neutral nature of cola allows it to function like water.
d) the sugar in cola only serves to flavor and sweeten the marinade.

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