MICROBIOLOGY EXAM 1 (A&M) questions with correct answers

What is the definition of a microbe? CORRECT ANSWER a living organism that requires a microscope to be seen What are some examples of microbes? CORRECT ANSWER E.coli, chickenpox, spirogyra Describe some problems with the definition of a microbe. CORRECT ANSWER 1) there are 'super-size' microbial cells which can be seen with the naked eye like Thiomaragrita nambiensis 2) Microbial communities - multicellular assemblages like mushrooms, kelps, and biofilms 3) Viruses - non-cellular particles containing genetic material that takes over a cell metabolism to procreate What are the implications of microbial genome sequencing? CORRECT ANSWER comparing genomes has revealed a set of core genes shared by all organisms, showing that all life on earth shares common ancestry What did Florence Nightingale contribute to microbiology? CORRECT ANSWER medical statistics which she used to demonstrate the significance of mortality due to disease during war What did Robert Hooke contribute to microbiology? CORRECT ANSWER built the first compound microscope and first observed c