Why is my TE-eluted cloned plasmid (isolated via miniprep) not freezing at -20 degree celsius? Is it normal?

I isolated my cloned plasmid from TOP10 cells using invitrogen plasmid miniprep kit and eluted it in TE buffer. But I noticed that contrary to my plasmid aliquot, it does not freeze at -20 degree...

20 June 2024 1,466 8 View