Chromatids. Two chromatids are bound together by a centromere to make a chromosome.
I'm going to say since I cannot see the graph i'm guessing that it shows an enzyme at its peak and lowering so i'm going to say the first one 1) There is a specific pH range in which the enzyme effectively lowers the reaction's activation energy
Animals meat as well as owl
plant vegetables
caterpillar and praying mantis fibers
