9 calories of energy per gram.
Accuracy means getting a result that's close to the real answer while precision means getting a similar result every time you try
Controls what goes in and out of a cell
What holds the two strands of DNA molecules to each other. Hydrogen Bonds
Anaphase I begins when the two chromosomes of each bivalent (tetrad) separate and start moving toward opposite poles of the cell as a result of the action of the spindle. Notice that in anaphase I the sister chromatids remain attached at their centromeres and move together toward the poles.