I think the correct answer from the choices listed above is the first option. Regulatory proteins of the cell cycle help maintain homeostasis by controlling <span>the cycle by signaling the cell to either or delay the next phase of the cycle. Hope this answers the question.</span>
It rains or snows outside (precipitation) Water that forms from a mixture of heat and cold (condensation) The sun heats up the water and it turns to vapors and goes into the air (Evaporation)
