You have discovered a very small amount of dna from an ancient organism that you want to save and study. what is the very first thing you should do to allow you to study this dna in the lab?

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

What causes the phospholipids to organize themselves the way they do

What causes darkening of the skin as melanin production increases