171 Final Exam With Correct Answers

Incoming light is in the form of the ultraviolet ( UV ) spectrum . {Ans: Fluorescence Microscope}Briefly explain how a Scanning Electron Microscope ( SEM ) forms an image of subcellular organelles , substrates , and viral particles . {Ans: An image is formed from the interactions of electrons as they reflect off ( not through ) the surface of the specimen Samples are coated in either gold or palladium to enhance electron reflections . The reflection is seen in 3 - D rendering .}Archaeons {Ans: Prokaryote}Left untreated , three percent of cases of Streptococcal pharyngitis will progress to which of the following ? {Ans: Rheumatic fever}This microscope reflects light off of the specimen at an angle rather than light passing through the specimen . {Ans: Dark field Microscope}Lithotroph {Ans: Remove electrons from inorganic molecules}