The main function of the smooth ER is to make hormones and lipids.
The smallest unit of matter that has the characteristic properties of it’s element is called an “atom”.
Individual atoms are called “elements” for that reason.
There are smaller divisions of matter, however those no longer have the characteristics of the element that they may be a part of. A hydrogen electron is indistinguishable from an argon electron, or any other.
Different enzymes have specific active sites which can only catalyze one <span>substrate. Enzyme-substrate complexes are produced only when the substrate fits into the active site :)</span>
Anaphase 1 is the correct answer
Since carotenoids stabilize dangerous free radicals, we can assume that their function is to protect the cell from the free radicals.
