Microbiology Test Questions (Prof. Jason Hoeksema Ole Miss BISC 210) Questions With Correct Answers.

Microbiology Test Questions (Prof. Jason Hoeksema Ole Miss BISC 210) Questions With Correct Answers. D Which of the following is a eukaryotic domain in the three-domain system? A. Archaea B. Fungi C. Bacteria D. Eukarya A Who was the first to observe microorganisms with a microscope? A. van Leeuwenhoek B. Hooke C. Koch D. Pasteur E. None of the above B These are the primary molecules making up membranes in cells: A. Proteins B. Phospholipids C. Nucleic acids D. Carbohydrates E. None of the above A Aerobic respiration differs from anaerobic respiration in which of the following respects? A. The final electron acceptors are different B. Aerobic respiration creates fewer molecules of ATP C. ANaerobic respiration includes glycolysis D. Aerobic respiration requires the electron transport chain B Which of the following has to consume carbohydrates for both carbon and energy? A. Photoautotroph B. Chemoheterotroph C. Chemoautotroph D. Photoheterotroph B salts and sugars work to preserve foods by creating a A. depletion of nutrients B. hypertonic environment C. hypotonic environment D. lower pH D The term facultative anaerobe refers to an organism A. is killed by oxygen B. doesnt use oxygen but tolerates it C. requires less oxygen than is present in air D. can use oxygen or can grow without oxygen C which group of the following bacterial growth types and temperatures is mismatched? A. Psychrotroph- optimal growth 22C B. Psychrophile- optimal growth 12C C. Thermophile- optimal growth 37C D. Hyperthermophile- optimal growth 95C A Which group of microorganisms is most likely to spoil a freshwater trout preserved with salt? A. Halophiles B. Psychrophiles C. Anaerobes D. Thermophiles A Which of the following is a good method to sterilize the interior of dense materials without using high heat? A. ionizing radiation B. Pasteurization C. autoclave D. none of the above B One important ecosystem function performed by microorganisms (such as algae and cyanobacteria) is the primary production of biomass through the metabolic process of A. Anaerobic respiration B. Photosynthesis C. Aerobic respiration D. fermentation B The bacteria that are typically present and on the surface of the human body, and which are typically harmless or even helpful to humans are called the "________" microbiota A. endemic B. normal C. symptomatic D. pathogenic D WHat does the scientific debate about spontaneous generation vs. biogenesis tell us about the process of science? A. science is composed of theories based on personal beliefs B. none of the above C. Science is simply the collection of facts about nature over time D. Science is the process of refining ideas through vigorous debate and the challenging of old ideas with new data collection A Which of the following bacterial genus names means "string of rod-shaped cells" A. Streptobacillus B. Streptococcus C. Lactobacillus D. Staphylobacillus D Regarding pasteurs experiments with the S-neck flask, which of the following statements is true? A. The liquid did not contain food for microbes B. The results supported the theory of spontaneous generation, not biogenesis C. The liquid was not boiled to kill the microbes D. The S-flask allowed air to enter the flask D whose work began the "golden age of microbiology" and included the refinement of aseptic technique? A. Hooke B. van Leeuwenhoek C. Koch D. Pasteur E. None of the above B A single celled, eukaryotic, motile organism that ingests its food and has no cell wall is a A. Bacterium B. protozoan C. Alga D. fungus E. Virus A a prokaryote that lacks peptidoglycan in its cell walls and typically lives in extreme environments is called a A. Archaean B. protozoan C. Bacterium D. ALga E. Fungus B What is the typical diameter of bacterial cells? A. 1000-10,000 microns B. 0.2-8 microns C. 10-100 microns D. 100-1000 microns B in the name Esherichia coli, Escherichia is the A. specific epithet B. genus C. kingdom D. family E. order C one way in which fungi and algae differ from bacteria is that bacteria A. spoil food B. have cell walls C. do not have membrane bound nucleus D. have DNA E. none of the above C what is the primary function of the bacterial cell wall? A. to allow selective movement of materials in and out of the cell B. to process and store the DNA C. to protect the cell, especially by preventing osmotic lysis D. to allow the cell to stick to surfaces C what type of bacterium has an extra membrane layer on the outside of the cell wall, which dissolves in alcohol, leaving holes in the peptidoglycan layer and allowing crystal violet-iodine to wash out? A. gram-positive B. clostridium C. gram-negative D. Saffranin B What is the function of eukaryotic cilia and flagella? A. defense B. movement C. attachment D. genetic exchange B if a pharmaceutical drug attacks and destroys peptidoglycan, which type of micro-organism would it kill? A. Algae B. bacteria C. fungi D. archaea D if a pharmaceutical drug attacks and destroys chitin, would you expect it to have a significant side-effect on humans? A. Not enough info given B. it depends on what infection organisms are inhabiting the human C. Yes D. No A Mitochondria are the sites of _________ in eukaryotic cells A. Cellular respiration B. enzyme packaging C. photosynthesis D. protein synthesis B Which type of molecule is composed of (CH2O) units? A. lipids B. carbohydrates C. nucleic acids D. proteins E. none of the above D enzymes are a type of __________ composed of a string of amino acids A. lipid B. carbohydrate C. nucleic acid D. protein B Which type of reaction absorbs (requires) energy when it occurs? A. metabolic B. anabolic (synthesis) C. parabolic D. Catabolic (decomposition) B The major energy storage molecule found in all organisms is A. DNA B. ATP C. NADP D. ADP C what organism is not correctly matched to its energy source A. photoheterotroph - light B. Chemoheterotroph - Fe2+ C. Photoautotroph - CO2 D. Chemoautotoph - NH3 E. Chemoheterotroph - NH3 A which metabolic process produces the fewest ATP molecules? A. fermentation B. aerobic respiration C. anaerobic respiration C Which of the following lists the sequence of events during aerobic respiration in the correct order? A. krebs, electron trans., glycolysis B. glycolysis, electron trans., krebs