MICR 271 Midterm questions with correct answers

3 Domains Correct Answer-1)Archaea 2)Bacteria 3)Eukaryota Endosymbiont Theory Definition Correct Answer-Eukaryotes evolved from prokaryotes based on similarities found between bacteria and mitochondria Microbe Definition Correct Answer-microscopic living organism that may be single celled (prokaryotic) or multicellular (eukaryotic) _____________ is abundant in the atmosphere but only a few species of microbes can use it in this form Correct Answer-Nitrogen The total biomass on Earth of bacteria is approaching that of ________ Correct Answer-plants There are typically ____________ bacteria in a gram of soil and __________________ bacteria in a mL of fresh water Correct Answer-50 million; 1 million A human consists of __________ more bacteria cells than human cells and ____________ more microbial genes than human genes Correct Answer-10x; 100x