MCB3020 Exam 1 USF Questions and Answers

MCB3020 Exam 1 USF What is Robert Hooke known for? - Answer- He is the first person to see a cell. Also Helped construct the first microscope. What is Antonie van Leeuwenhoek known for? - Answer- Made His own Microscope (Single-lens), Observations also published by the Royal Society. Malpighi and Odierna - Answer- Published two volumes of microscopic observations of the human excretory system in the Royal Society spontaneous generation - Answer- the mistaken idea that living things arise from nonliving sources Which scientist's sought to debase spontaneous generation? - Answer- Redi and Pasteur Francesco Redi - Answer- This scientist disproved spontaneous generation by showing that maggots do not spontaneously arise from decaying meat. Louis Pasteur - Answer- A French chemist, this man discovered that heat could kill bacteria that otherwise spoiled liquids including milk, wine, and beer. (Swan neck experiments) Robert Koch - Answer- Debased miasma theory of disease causation Miasma Theory of Disease - Answer- a discredited theory in which 'bad air' was accepted as the cause of diseases. What are the three domains? - Answer- Bacteria, Archaea, Eukarya Traits shared by all domains of life - Answer- dsDNA, RNA pol, Protein domains, aqueous cytosol Traits that differ between domains - Answer- Size, Metabolism, gene orientation, chromosome, multicellularity What are the microbial eukaryotes - Answer- Protozoa, Fungi, Algae Lynn Margulis - Answer- Developed the Endosymbiotic Theory. Endosymbiosis - Answer- A theorized process in which early eukaryotic cells were formed from simpler prokaryotes. Viruses - Answer- Considered by scientists to be Non-living particles size of microbes - Answer- Can Differ in size by several orders of magnitude