TEST BANK FOR PRESCOTT’S MICROBIOLOGY 9TH EDITION BY WILLEY

1 Student: ___________________________________________________________________________ 1. Extant microorganisms are organisms from the fossil record that are no longer present on Earth today. True False 2. All cellular organisms can be placed into one of three __________, which include the Bacteria, Archaea, and the Eukarya. ________________________________________ 3. Archaea are cellular organisms that have unique cell membrane __________. ________________________________________ 4. Microbiologists study a variety of organisms, but all are considered either Bacteria or Archaea. True False 5. All eukaryotes have a membrane-delimited nucleus. True False 6. Viruses are not generally studied by microbiologists because they are not classified as living organisms. True False 7. Viruses constitute the fourth domain of life in current biological classification schemes. True False 8. Protists contain all of the following forms of life except A. protozoa. B. fungi. C. slime molds. D. algae. 9. Cells with a relatively complex morphology that have a true membrane-delimited nucleus are called A. prokaryotes. B. eukaryotes. C. urkaryotes. D. nokaryotes. 10. Cells with a relatively simple cell morphology that do not have a true membrane-delimited nucleus are called A. prokaryotes. B. eukaryotes. C. urkaryotes. D. nokaryotes. 11. The ribosomal RNA studies that led to the division of prokaryotic organisms into the Bacteria and the Archaea were begun by A. Pasteur. B. Woese. C. Needham. D. Watson.