Answer:
I think it's the second one or first one
Answer:
I wrote all of this on the thing, but it wouldn't work. Here is the PDF I did. Good Luck.
Explanation:
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
Big and healthy grasshoppers can jump a hight of 1 metre and a distance of 90 feet.
Hope it helped,
BioTeacher101