Here is the answer that you are looking for:
External Regulators<span>. </span>External regulators<span> are also </span>proteins<span>, but they react to stimuli from outside the cell. They direct cells to either speed or slow the cell cycle based upon outside conditions. For example, one </span>protein<span> reacts to molecules on the outside of a neighboring cell.
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I hope this helps out for you
Multiple alleles-<span> a type of </span>non-Mendelian inheritance pattern, <span>involves more than just the typical two </span>alleles<span> that most of the time code for a certain characteristic in a species. With multiple alleles, that means there is over two </span>phenotypes<span> available depending on the dominant or recessive alleles that are available in the trait and the </span>dominance pattern<span> the individual alleles follow when combined together.</span>
I'm not sure, but the prefix "bi" means "two" so I would say two divisions. Hope I helped! :)
Density-dependent limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density. ... Density-independent factors affect per capita growth rate independent of population density. Examples include natural disasters like forest fires.
