Bio 250 complied bundle 2023 with complete solution

A pure culture A) is sterile. B) is a population of identical cells. C) is made of a precisely defined chemical medium. D) contains one microbial cell. b Microbial cells first evolved on Earth approximately ________ _______ years ago. A) 1.6 to 1.8 million B) 7.0 to 7.2 million C) 3.8...

Robert Hooke developed the first microscope, used to look at plant cells, first to use the term cells-- looked like what monks lived in Anton Van Leeuwenhoek father of microbiology first to look at living material-- scraped his teeth and saw that sick people had different microogranisms th...

Bio safety levels (BSL) measure what? an organisms controllability, infectivity, virulence, pathogenicity, antibiotic resistance, vaccine, treatment, mortality. BSL 1 does not normally cause disease in people BSL 2 Associated with disease BSL 3 indigenous/exotic agents that ...