BIOS 242 MICRO WEEK 1 REVIEW EXAM QUESTIONS AND ANSWERS

BIOS 242 MICRO WEEK 1 REVIEW EXAM QUESTIONS AND ANSWERS Pathogens Any agent such as a virus, bacterium, fungus, protozoan, or helminth that causes disease Similarities between prokaryotes and eukaryotes living, ribosomes, cellular membrane, chromosomal DNA, could both have cell walls (not all eukaryotic cells have cell walls) 10 Must-Have Accessories for Sprucing Up Your Caravan Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 1:11 Full screen Differences between prokaryotes and eukaryote eukaryotes have organelles - bacteria and archaea do not. bacteria and archaea are ten-times smaller than eukaryotic cells. eukaryotic cells have nucleus - bacteria and archaea do not Bacteria has how many cells? single celled eukaryotes has how many cells? multi-celled Biofilms are surface associated communities of one or more species of bacteria. biofilm A surface-coating colony of one or more species of prokaryotes that engage in metabolic cooperation. Francesco Redi This scientist disproved spontaneous generation by showing that maggots do not spontaneously arise from decaying meat. Robert Hooke first to observe "small chambers" in cork and call them cells. Antoine van Leeuwenhoek Invented the microscope