Increasing ocean acidification has been attributed to . a. ocean absorption of excess atmospheric carbon dioxide.
b. higher evaporation rates associated with climate change.
c. freshwater inputs from melting ice.
d. changes in thermohaline circulation associated with the Pacific Decadal Oscillation.

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