. 9.
I generally remain in the nucleus [in eukaryotic cells).
11.
I am made up of nucleotides.

Which best describes the nucleus of an atom a. it is where all of the particle s of the atom are located b. it is the negatively charged part of the atom c. it is where the electrons and the protons are located d. it is the part of the atom with the greatest mass

Nucleic acids offer variability because they contain alternate forms of genes called .

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols