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Q.
Identify the labels $M$ and $N$ in the following Agarose gel electrophoresis representation
KCETKCET 2020Biotechnology : Principles and Processes
Solution:
The given diagram represents the gel electrophoresis technique. It is used to separate DNA fragments based on their sizes. The DNA fragments that have larger sizes travel a shorter distance than the smaller size DNA fragments from the wells under the influence of an electric field. Hence, '$M$' represents the largest DNA bands since it has travelled a less distance from the well when compared to the distance travelled by the fragment '$N$'.
