Question: is agar and agarose the same thing?
Answer: Agar agar is a heterogeneous mixture of two classes of polysaccharide that is agarose and agaropectin where agarose is the predominant polysaccharide. ... Agarose is obtained by purifying agar agar. It is mostly used in molecular biology. Especially in gel electrophoresis where DNA strands are separated.