Bio 205 (BIO205)

Chapter 1 When humans manipulate the genes of microorganisms, the process is Categories of Microorganisms All microorganisms are best defined as organisms that The microorganisms that recycle nutrients by breaking down dead matter and wastes are called Cells, like bacteria and archaea, that do not have a nucleus in their cells are called The first cells appeared about billion years ago. Human Use of Microorganisms Using microbes to detoxify a site contaminated with heavy metals is an exampl...

1. All microorganisms are best defined as organisms that a.) cause human disease b.) lack a cell nucleus c.) are infectious particles d.) are too small to be seen with the unaided eye e.) can only be found growing in labs - d.) are too small to be seen with the unaided eye 2. cells, like bacteria and archaea, that do not have a nucleus in their cells have traditionally been called a.) decomposers b.) prokaryotes c.) pathogens d.) eukaryotes e.) fermenters - b.) prokaryotes 3...