by design, the molecules that resist biodegradation and include some of the most problematic persistent organic pollutants are the

a. by using fur or clothes to trap heat energy near the body

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.