The correct answer is Chemical. Because two substances are reacting and creating a new substance.
I am going to go with steroids because they are a type of lipid.
- DNA and RNA are made up of monomers called nucleotides. - DNA and RNA both have 3 nitrogenous bases: Adenine, Cytosine and Guanine. - DNA and RNA both have a phosphate groups in their nucleotides. Sometimes called phosphoric acid.Feb 18, 2009