What would be the most likely result if humans stopped burning fossil fuels? A. The polar ice caps would melt more quickly.
B. There would be less oxygen in the atmosphere.
C. Greenhouse gas levels would decrease.
D. Global warming would increase.

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