Question
Biology Question on biotechnology
Agarose extracted from sea weeds finds used in
A
spectrophotometry
B
tissue culture
C
PCR
D
gel electrophoresis
Answer
gel electrophoresis
Explanation
Solution
Fragments of DNA are separated by a technique called gel electrophoresis. In this technique, charged molecules are separated under the influence of an electrical field through a medium matrix. Most commonly used matrix is agarose which is a polysaccharide extracted from sea weeds. DNA fragments separate according to size through the pores of agarose gel.