The maximum number of sperm that can fertilize one egg is one, in order to yield a chromosome condition..

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

During binary fission, what events must occur before the cell splits into two new cells?

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast