You would try to study the nucleus and the organelles of the organism to classify it
<span>lactose Hope i helped :)</span>
Keratin
Protecting the skin is one of its main responsibilities as a protein in epidermis.
I Hope this helped you!!!
C <span>Antibiotics could cure chicken pox sooner than 7 days, since it is a virus</span>
Well, the domain humans belong to (when I did a little research) is that they are actually a Eukaryote. Therefore, I'd say C, Eukarya. I hope this helps! ~Mia