A Southern blot is used to identify specific sequences of DNA on a membrane, whereas a Northern blot is used to identify sequences of RNA on a membrane.
Southern blot is a technique widely used in molecular biology laboratories to identify DNA in a blood/tissue sample.
Moreover, the Northern blot is a hybridization technique widely used to identify RNA in a blood/tissue sample.
In conclusion, a Southern blot is used to identify specific sequences of DNA on a membrane, whereas a Northern blot is used to identify sequences of RNA on a membrane.
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