Laboratory technician,research associate,laboratory manager,research scientist, lead scientist and-principal investigator
The answer would be A. carbohydrates (carbs) because carbs are generally composed of sugars and glucose (as an example) has the ratio between carbon, hydrogen and oxygen in a 1:2:1 ratio in its form: C6H12O6
Pathogens generally invade the body, in their invasion they can duplicate and cause confusion such as hijacking your cells, thus they cause infection and disease. Some of these pathogens are spread through air, sweat, blood, excrete (urine/feces), or general human contact with anything concealing the pathogen.
Answer: Eukaryota
Explanation:
All eukaryotes have a nucleus in their cells, archaea and bacteria don't contain a nucleus. Protista have a nucleus but are classified as eukaryotes.