Re:I suspect so but didnt know for sure (Score 1)

RNAse is the bugbear of RNA work, its a normal part of every cell and its job it to break up RNA (which it does very well). When its in the cell its kept under close control, however if the cell is broken up (to extract RNA for example) the control is broken and it eats any RNA it can find.

Darned DRM. You'd think I would at least have fair use rights over my own body!