The chemical properties of an organic compound are governed by the functional groups present in that compound. The different types of functional groups are ketones, amines, alcohols, esters and carboxylic acids.
The formulas of some functional groups





Therefore, amines contain nitrogen atoms bound to one, two, or three carbons.
Well, the answer relies on all four factors, I mean on all options. So, the answer is A, B, C, and D.
The integumentary system has multiple roles in homeostasis, including protection, temperature regulation, sensory reception, biochemical synthesis, and absorption. All body systems work in an interconnected manner to maintain the internal conditions essential to the function of the body.