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1) Which of the above tubes show the growth of facultative anaerobes? a) A b) B c) C d) D e) E 2) Which of the above tubes show the growth of facultative anaerobes? a) A b) B c) C d) D e) E 3) Which of the above tubes shows the growth of an aerotolereant aerobe?  a) A b) B c) C d) D e) E 4) The human pathogens fall under which category? a) Psychrophiles (-10 to 20) b) Mesophiles (15 to 45) c) Thermophiles (40 to 80) d) Hyperthermophiles (65 to 105) 5) In the above bacterial growth curve, which section of the graph illustrates the period when you can introduce antibiotics a) A b) B c) C d) D 6) Persister cells are found in which phase of the growth curve? a) Log b) Lag c) Death d) Stationary 7) What else is found in the death phase? a) Endospores b) Stationary cells c) E.coli d) Persibual cells  8) Industries that harvest microbial products maintain cells in which phase of the growth? a) Log  b) Lag c) Death d) Stationary 9) If a culture starts with 50 cells, how many cells will be present after five generations with no cell death? a) 200 b) 400 c) 1600 d) 3200 10) Which was the first antimicrobial agent discovered to treat syphilis? a) Chloramphenicol b) Penicillin c) Monobactam d) Compound 606 11) Which of the following combinations would most likely contribute to the development of a superinfection? a) Long-term use of narrow-spectrum antimicrobial b) Long-term use of broad-spectrum antimicrobial c) Short-term use of narrow-spectrum antimicrobial d) Short-term use of broad-spectrum antimicrobial 12) The aminoglycosides and tetracyclines directly target which structure of the bacterial cell? a) 30 S ribosomal unit b) 50 s ribosomal unit c) Cell wall d) Plasma membrane 13) Which of the following is not an appropriate target for antifungal drugs? a) Chitin b) Cholesterol c) Ergosterol 14) Which of the following is not an ESKAPE pathogen? a) Enterococcus faecium b) Staphylococcus aureus c) Escherichia coli d) Pseudomonas aeruginosa 15) Transmission of genetic information from parent to offspring is called which of the following? a) Horizontal gene transfer b) Phage transfer c) Translation d) Vertical gene transfer 16) Which of the following antibiotics will be safe to give to a person with a penicillin allergy? a) Monobactam b) Cephalosporin c) Vancomycin d) Methicillin 17) Evidence the DNA molecule was the genetic material rather than protein was provided by which of the following? a) Oswald Avery, Colin MacLeod, and Maclyn McCarty b) George Beadle, Edward Tatum, and colleagues c) Alfred Hershey and Martha Chase d) Matthew Meselson and Franklin Stahl 18) DNA nucleotide contains which of the following? a) A deoxyribose sugar and a nitrogenous base b) A deoxyribose sugar, a phosphate, and a nitrogenous base c) A ribose sugar and a nitrogenous base d) A ribose sugar, a phosphate, and a nitrogenous base 19) Which of the following is a name for nitrogenous bases with a double-ring structure? a) Nuclesides b) Nucleotide c) Purine d) Pyrimidine 20) Which molecules recognize specific codons and transport amino acids? a) DNA b) mRNA c) rRNA d) tRNA 21) Which process produces RNA copy of a DNA molecule? a) Replication b) Transcription c) Transformation d) Translation 22) Sanitization leaves objects free of microbes T/F a) true b) false 23) Which of the following is suitable for the use on human tissue for microbial control to prevent infection a) Disinfectant b) Antiseptic c) Sterilant d) Water 24) Which of the following is an example of an antiseptic? a) Rubbing Alcohol b) Hydrogen Peroxide c) Bleach d) Both A & B 25) Which of the following is a requirement for the autoclave a) 121 C, 15 psi, and 15 minutes b) 15 C, 121 psi, and 15 minutes c) 15 C, 15 psi, and 121 minutes d) 121 C, 15 psi, and 60 minutes 26) Which of the following is the bacteria is considered the Golden standard of the autoclave? a) E. coli b) C. albicans c) G. stearothermophilus d) N. fowleri 27) . What is the level of BSL is the Fresno state school the laboratory? a) BSL 1 b) BSL 2 c) BSL 3 d) BSL 4 28) Ebola virus and Marburg virus are considered what level of virus? a) BSL 1 b) BSL 2 c) BSL 3 d) BSL 4 29) Pasteurization achieves sterilization T/F a) True b) False 30) Photosynthesis is considered a ____ process; Cellular respiration is considered a _____ process a) Anabolic; Anabolic b) Anabolic; Catabolic c) Catabolic; Anabolic d) Exergonic; Endergonic 31) Which of the following inhibitors binds to the allosteric site of enzymes? a) Allosteric inhibitor b) Uncompetitive inhibitor c) Competitive inhibitor d) Non competitive inhibitor 32) What is the most important product of the light dependent reaction? From what is it oxidized from? a) Sunlight; H2O b) O2; CO2 c) CO2; H2O d) O2; H2O 33) What is made in dark-reactions? a) Oxygen b) Glucose c) H2O d) Energy 34) Which of the following best describes catabolic pathways? a) They always absorb energy b) They break down large molecules into smaller components c) They build up large molecules from smaller components d) They must be coupled with the breakdown of ATP 35) Which of the following are inorganic molecules that bind to enzymes? a) Apoenzymes b) Coenzymes c) Cofactors d) Holoenzymes 36) In aerobic respiration, the final electron acceptor is: a) Oxygen b) ATP c) an inorganic molecule other than oxygen d) an organic molecule 37) Which BSL level deals with indigenous organisms like Staphylococcus aureus that pose a moderate risk to workers? a) BSL 1 b) BSL 2 c) BSL 3 d) BSL 4 38) Cellular respiration can be classified as what types of reactions? a) Catabolic and endergonic b) Anabolic and Endergonic c) Anabolic and Exergonic d) Catabolic and exergonic 39) The inorganic, non-protein part of an enzyme is known as a: a) Coenzyme b) Cofactor c) Substrate d) Apoenzyme 40) Which statement accurately describes the relationship between turbidity and transmission? a) As turbidity increases, transmission increases b) As turbidity increases, transmission decreases c) As turbidity increases, transmission stays the same d) As turbidity decreases, transmission decreases 41) _______________ was the first to discover a naturally produced antimicrobial, penicillin, in 1928 a) Alexander fleming b) Paul Ehlrich c) Watson

Exam 2 Bio 20

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