In order to be an endocrinologist, one must
a. have certification and a license.
b. receive certification before completing a fellowship.
c. receive a license before completing a residency.
d. have a certification, but not a license.

Which phrase best describes surface currents? 1. up-and-down ocean movement caused by wind 2. waves that hit the shore at an angle and transport sand 3. streams of warm water flowing through the ocean and caused by wind 4. waves that approach the shore and cause their crests to fall into their troughs

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

Explain two reasons you think it is important for scientists to search for new ways to treat cancer