during both, mitosis and meiosis, sister chromatids remain attached to one another through a protein called which is cleaved (digested) at . choose all that apply

the answer is c. it will give up it's valence electron to the other atom.

the answer is true when observing or determining population size, a direct observation is use, in which each organism is counted in a population or in an area. one benefit of this measure is that you get the exact population count but it will take a long time to  determine  the  size  of a  population.

bacterium is not correct