Which elements are part of both proteins and nucleic acids but not carbohydrates and lipids?
O A. Carbon and nitrogen
B. Phosphorus and hydrogen
C. Carbon and hydrogen
O D. Nitrogen and phosphorus

condensation. good luck!

the answer is cell division : )

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.