She explains how it's going to happen:

[rosebaby3892]

I remind you that if the good Doctor created a completely stitched-up creature, it's because it was made up of several corpses. So unless our scientists weren't able to find a whole mouse, which leaves one wondering about their skills as "researchers", there is no reason for the mouse to be stitched up. Except, of course, to burn the props budget of a director who is out of his depth to add inconsistencies to his already shaky film.

Thanks, Hollywood. You still manage to surprise me. Just a reminder, kids, when you blow your nose and find bits of brain in your paper towel, it's time to go to the hospital, not become a director. But I know: this is all a bit elaborate.

So, as I was saying, our electrophysicist has a big mission tonight: to demonstrate electro-necromancy (which is more or less what happens when Daft Punk stumbles upon the Necronomicon, if you will), in front of Jean-Jacques Nabérius, her boss. In his super high-tech lab (but not having enough budget for a whole mouse, therefore), they're going to put the little corpse in a big glass tube, send it a thousand volts, and then poof, it should work.

Oh yeah, big scientist, then. Come on, let's go, get the sauce going, Jacques.

So the experiment involves sending juice, then more juice because it doesn't work, then industry email list even more, and poof, it works: the mouse's vital organs restart. Mmm. I see, I see.

"  Yay!  " says Jeannine. "  Yay!  " says Jacques. "  Fuck yeah!  " says Nabérius before leaving the observation room to return to the laboratory and congratulate his employees. Then, he discusses the results of the operation.

“Well done, Jeannine, you did an excellent job. When can we move on to phase 2?”
– Resurrecting humans? Oh well, not right away, eh, that was a mouse. I don't remember exactly, but I think I read that there were a couple of stages between the mouse and the human. Like a child. And it's never been done!
– Jeannine… do you know the story of Frankenstein?
– Well, yes, but it's a story meant to scare children! The absurd thing about it is that Doctor Frankenstein mysteriously disappeared. Do you really think that if he had succeeded in creating life, he wouldn't have gone straight to dancing Zumba on the desk of the head of the local university while making disparaging remarks about his mother? Anyway, this story is impossible.
– Oh really, and why?
– BECAUSE BACK THEN THEY WOULD NEVER HAVE BEEN ABLE TO FIND ENOUGH ELECTRICITY!”
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It's funny, because I thought I understood that the cult passage in the story of Frankenstein was precisely when he used lightning for his work. But maybe she read the version revised by Okapi, where the lightning was replaced by an LR6 battery so as not to shock the readers. If you have a better explanation that doesn't involve comparing Jeannine to a whelk, I'm interested. In any case, our good doctor, not disconcerted, continues.