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1) Which was the first antimicrobial agent discovered to treat syphilis? a) Chloramphenicol b) Penicillin c) Monobactam d) Compound 606 2) 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 3) 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 4) Which of the following is not an appropriate target for antifungal drugs? a) Chitin b) Cholesterol c) Ergosterol 5) Which of the following is not an ESKAPE pathogen? a) Enterococcus faecium b) Staphylococcus aureus c) Escherichia coli d) Pseudomonas aeruginosa 6) 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 7) Which of the following antibiotics will be safe to give to a person with penicillin allergy? a) Monobactam b) Cephalosporin c) Vancomycin d) Methicillin 8) 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 9) 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 10) Which of the following is a name for nitrogenous bases with a double-ring structure? a) Nucleosides b) Nucleotides c) Purines d) Pyrimidines 11) Which molecules recognize specific codons and transport amino acids? a) DNA b) mRNA c) rRNA d) tRNA 12) Which process produces RNA copy of a DNA molecule? a) Replication b) Transcription c) Transformation d) Translation 13) Which organism is best known as the ‘brain-eating amoeba? a) Candida albicans b) Giardia lamblia c) Naegleria fowler d) Coccidioides immitis 14) Which type of algae is the source for agar and is a solidifying agent used in laboratories? a) Brown algae b) Red algae c) Green algae d) Golden algae 15) Lichens attach to a surface using which structure? a) Capsules b) Cilia c) Flagella d) Rhizines 16) Which of the following describes protozoa? a) Non Photosynthetic unicellular b) Non photosynthetic multicellular c) Photosynthetic unicellular d) Non Photosynthetic multicellular 17) Sanitzation leaves objects free of microbes T/F a) True b) False 18) 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 19) Which of the following is an example of an antiseptic? a) Rubbing Alcohol b) Hydrogen Peroxide c) Bleach d) Both A & B 20) Which of the following is 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 21) 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 22) What is the level of BSL is school the laboratory? a) BSL 1 b) BSL 2 c) BSL 3 23) Ebola virus and Marburg virus are considered what level of virus? a) BSL 1 b) BSL 2 c) BSL 3 d) BSL 4 24) Pasteurization achieves sterilization T/F a) True b) False 25) What of the following is an organism that obtains its energy from the transfer of electrons originating from chemicals and its carbon from an inorganic source? a) Organoheterotroph b) Photoautotroph c) Chemoheterotroph d) Photoorganotroph 26) Which of the folowing inhibitors binds to the allosteric site of enzymes? a) Allosteric inhibitor b) Uncompetitive inhibitor c) Competitive inhibitor d) Non competitive inhibitor 27) 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 28) What is made in dark-reactions? a) Oxygen b) Glucose c) H2O d) Energy 29) 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 30) Which of the following are inorganic molecules that bind to enzymes? a) Apoenzymes b) Coenzymes c) Cofactors d) Holoenzymes 31) In aerobic respiration, the final electron acceptor is: a) Oxygen b) ATP c) an inorganic molecule other than oxygen d) an organic molecule 32) Which of the above tubes show the growth of facultative anaerobes? a) A b) B c) C d) D e) E 33) 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) 34) In the bacterial growth curve when can you introduce antibiotics? a) Lag b) Log c) Stationary d) Death 35) Persister cells are found in which phase of the growth curve? a) Log b) Lag c) Death (also endospores are found in this phase) d) Stationary 36) Industries that harvest microbial products maintain cells in which phase of the growth? a) Log  b) Lag c) Death d) Stationary 37) 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 38) Which shows an anaerobic microbe? a) A b) B c) C d) D

Exam 2 review biol

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