Atoms may have different numbers of neutrons. Atoms are the smallest fraction of an element that can exist, and still show the properties of the element. They consists of electrons (negatively charged), protons (positively charged), and neutrons (no charge). The number of electrons is equivalent to the number of protons normally however an atom may loose or pick up electrons and have a positive charge or negative charge. The number of neutrons in the nucleus may vary within a given element to give varieties of atoms we call isotopes.
The answer is C. Aromatase
Protists are eukaryotes and bacteria are prokaryotes
In the case presented above, of a patient diagnosed with
primary open-angle glaucoma (POAG), who is refusing therapy. The insistence of
the nurse that it is important for the patient to seek treatment is in a bid to
prevent blindness. This is because <span>without
medical intervention, glaucoma can lead to total permanent blindness
within just a few years.</span>
