Which of the following statements is most likely correct? Relationship A is parasitism and Relationship B is competition. Relationship A is competition and Relationship B is parasitism. Relationship A is commensalism and Relationship B is mutualism. Relationship A is mutualism and Relationship B is commensalism.

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