Microbiology Straighterline Part 3 Exam Questions with Complete Solutions

Microbiology Straighterline Part 3 Exam Questions with Complete Solutions Which of the following historical microbiologists is incorrectly paired with his contribution to the science? Select one: a. Francesco Redi: tested spontaneous generation with meat exposed to the air or covered with cloth b. Antonie van Leeuwenhoek: made and used quality magnifying lenses to observe and record microorganisms c. Louis Pasteur: demonstrated that anthrax was caused by a bacterium d. Joseph Lister: promoted disinfecting hands and air prior to surgery - Correct Answers C Analysis of the small subunit rRNAs from all organisms in the three current domains suggests that Select one: a. the eukaryotes arose from prokaryotes. b. the Archaea are more closely related to bacteria than eukaryotes. c. all modern and extinct organisms on earth arose from a common ancestor. d. the prokarytoes, archaea, and eukaryotes are not related. - Correct Answers C Polar molecules are composed of covalently bonded - Correct Answers atoms of different electronegativity Microorganisms are best defined as organisms that - Correct Answers are too small to be seen with the unaided eye Characteristics shared by all cells include Select one: a. a membrane serving as a cell boundary. b. the possession of genetic information. c. the presence of cellular fluid. d. All of the choices are correct - Correct Answers E What is the term for a culture made from one isolated colony? - Correct Answers axenic and pure All of the following are lipids except ______. Select one: