微生物复习题具答案0.docVIP

Test 1: Development of Microbiology Multiple-choice: The fundamental unit of all living organisms is the: A. membrane B. cell C. nucleus D. cell wall Organisms that do not contain a true nucleus are referred to as: A. fungi B. eukaryotic C. prokaryotic D. nankaryotic The three kingdom classification system of organisms was proposed by: A. Pasteur B. Bacon C. Winogradsky D. Woese Fungi differ from bacteria in a number of characteristics. The cell walls in fungi are composed of , while the cell walls of bacteria are composed of peptidoglycan A. chitin B. phospholipids C. protein D. glucosamine The first microscopes were developed by: A.Ehrlich B. Metchnikoff C. Leewenhoek D. Lister The term antibiotic means: A. a substance produced by the laboratory that kills or inhibits other microorganisms B. a substance produced by microorganisms that kills or inhibits molds C. a substance produced by microorganism that kills or inhibits other microorganisms D. a substance produced by microorganisms that kills or inhibits cancer cells The genetic material of a bacteria is located in the molecule: RNA B. DNA C. protein D. lipid FILL IN BLANKS: Organisms that contain a true nucleus are called_eukaryotic______ Bacteria do not have a true nucleus and are considered _prokaryotic______ Bacteria can be divided into two groups, the _archaea and the _eubacteria_. 4._anaerobes_ are organisms that can grow without using molecular oxygen. 5. Microorganisms that can synthesize complex organic compounds from CO2 are called _autotroph_. 6. _phototrophs are microorganisms that obtain their energy to synthesize organic compounds from light. 7. Heterotroph require organic compounds for growth. 8. Organisms that survive only at very high temperatures are referred to as_thermophile_. 9. _methanogen_ are organisms that produce methane from CO2. 10. _halophile_____organisms grow under conditions of high salinity. 11. Eubacteria can exhibit a number of morpholog