3. What is the difference in the air temperature and humidity between the cP and ml air masses?
(1) The CP air mass is warmer and less humid.
(2) The CP air mass is colder and more humid.

(3) The mT air mass is warmer and more humid.
(4) The mT air mass is colder and less humid.

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