1.If we use DMSO instead of glycerol. what will be the observation ? Maintain the E.coli DH5 alpha cells by using other cryopreservatives. Compare the results, which is better for its preservation ?
2. Two students are doing experimentst using the E.coli cells , one is taking directly from pure culture while other taking from glycerol stocks. After doing the experiments observe the difference between the two results.