My sister is a biologist, she was invited to work in a lab in her first year of university already, and her lab professor left her in charge of running the lab

My sister is a biologist, she was invited to work in a lab in her first year of university already, and her lab professor left her in charge of running the lab in general, even above PhD students because she was the only one that used all equipment correctly, safely and in an organized manner.... My sister even berates her professor when he is disorganized or forget stuff