Bacterium

You are a biologist and you are researching bacterias!

However they multiply too fast, so you have to make sure, their count is down enough, but get rid of too many of them and have no bacterias to study and you are out of work! 

Used Resources:
SFX:
https://freesound.org/people/KorgMS2000B/sounds/54405
https://freesound.org/people/Zott820/sounds/209578/
https://freesound.org/people/AleXZavesa/sounds/853866/
https://freesound.org/people/Rudmer_Rotteveel/sounds/536410/
https://freesound.org/people/moshang/sounds/460876/
https://freesound.org/people/bolkmar/sounds/421704/ 
Music:
https://freesound.org/people/karthik855/sounds/792393/