MICROBIO QZ1
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| THE TERM USED TO DESCRIBE A DISEASE CAUSING MICROORGANISM IS | PATHOGEN
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| MICROORGANISMS ARE INVOLVED IN EACH OF THE FOLLOWING PROCESSES EXCEPT | SMOG PRODUCTION
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| THE MICROBIAL PROCESS OF CONVERTING SUGARS TO ALCOHOL IS KNOWN AS | FERMENTATION
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| THE PRESERVATION OF BEEF JERKY FROM MICROBIAL GROWTH RELIES ON WHICH METHOD OF MICROBIAL CONTROL? | DESICCATION
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| DESICCATION IS A RELIABLE FORM OF STERILIZATION TF | FALSE
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| IN A HYPERTONIC SOLUTION, A BACTERIAL CELL WILL TYPICALLY | PLASMOLYZE
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| ANTIBIOTICS THAT TARGET CELL WALL SYNTHESIS ULTIMATELY CAUSE BACTERIAL CELL DEATH AS A RESULT OF | OSMOTIC LYSIS
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| WHAT WILL HAPPEN IF A BACTERIAL CELL IS PRETREATED WITH A LYSOZYME SOLUTION, THEN PLACED IN DISTILLED WATER? | THE CELL WILL UNDERGO OSMOTIC LYSIS
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| WHICH OF THE FOLLOWING STATEMENTS IS FALSE? | WATER MOLECULES ARE FORMED BY HYDROLYSIS
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| MYCOLOGY IS THE STUDY OF | MOLDS, YEASTS, AND MUSHROOMS
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| IN MICROSCOPY, THE TERM RESOLUTION | REFERS TO THE ABILITY TO DISTINGUISH FINE STRUCTURE AND DETAIL IN A SPECIMEN
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| A STUDENT IS LOOKING AT A BACTERIAL SPECIMEN USING THE OIL IMMERSION LENS, BUT. HAS FORGOTTEN TO PUT IMMERSION OIL ON THE SLIDE. THE SPECIMEN WILL APPEAR | SOMEWHAT FUZZY AND HAVE POOR RESOLUTION
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| THE LIMIT OF RESOLUTION OF THE COMPOUND MICROSCOPE ILLUMINATED WITH VISIBLE LIGHT IS APPROXIMATELY 0.2 UM. TF | TRUE
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| SALTS AND SUGARS WORK TO PRESERVE FOODS BY CREATING A | HYPERTONIC ENVIRONMENT
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| CELLS PLACED IN A HYPERTONIC SOLUTION TEND TO LOSE WATER DUE TO OSMOTIC PRESSURE. TF | TRUE
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| APPLICATION OF HEAT TO LIVING CELLS CAN RESULT IN ALL OF THE FOLLOWING EXCEPT | DECREASED THERMAL DEATH TIME
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| WHICH OF THE FOLLOWING PAIRS OF MICROBE CLASSIFICATION TERMS AND OPTIMAL GROWTH TEMPERATURES IS MISMATCHES | THERMOPHILE GROWTH AT 37 DEGREES CELSIUS
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| PATHOGENIC BACTERIA ISOLATED FROM THE RESPIRATORY OR INTESTINAL TRACTS OF HUMANS ARE | CAPNOPHILES THAT GROW BEST IN CARBON DIOXIDE INCUBATORS
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| MICROBES THAT LIVE STABLY IN AND ON THE HUMAN BODY ARE CALLED THE | HUMAN MICROBIOME
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| THE RESOLUTION OF A MICROSCOPE CAN BE IMPROVED BY CHANGING THE | WAVELENGTH LIGHT
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| BIOGENESIS REFERS TO THE | DEVELOPMENT OF LIFE FORMS FROM PREEXISTING LIFE FORMS
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| WHO CALLED THE IDEA OF SPONTANEOUS GENERATION WITH THE CONCEPT OF BIOGENESIS | RUDOLF VIRCHOW
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| TF SPONTANEOUS GENERATION REFERS TO THE LIVING CELLS ARISING FROM OTHER LIVING CELLS | FALSE
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| WHICH OF THE FOLLOWING STATEMENTS IS TRUE | ENDOSPORES ALLOW A CELL TO SURVIVE ENVIRONMENTAL CHANGES BY PRODUCING A DORMANT PERIOD WITH NO GROWTH
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| ENDOSPORES ARE HIGHLY RESISTANT TO HARSH ENVIRONMENTAL CONDITIONS DUE TO ALL EXCEPT WHICH ONE OF THE FOLLOWING? | SMALL TRIGGERING MOLECULES CALLED GERMINANTS
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| THE MOST RESISTANT OF THE BACTERIAL ENDOSPORES CAN WITHSTAND BOILING FOR UP TO | 20 HOURS
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| MOST BACTERIA REPRODUCE BY | BINARY FISSION
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| TF CHLOROPLASTS POSSESS CIRCULAR DNA AND REPRODUCE BY BINARY FISSION | TRUE
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| WHICH OF THE FOLLOWING DOES NOT ACHIEVE STERILIZATION? | PASTEURIZATION
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| TF THE PROCESS OF PASTEURIZATION TO REDUCE FOOD SPOILAGE UTILIZES HIGH HEAT TO KILL ALL BACTERIA PRESENT | FALSE
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| THE FORMAL SYSTEM FOR CLASSIFYING AND NAMING ORGANISMS WAS DEVELOPED BY | CAROLUS LINNAEUS
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| PROTEIN SYNTHESIS IN EUKARYOTES IS SIMILAR TO THE PROCESS IN PROKARYOTES IN THAT BOTH E AND P | USE CONDONS TO DETERMINE POLYPEPTIDE SEQUENCES
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| TF PROKARYOTES LACK ORGANELLES | TRUE
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| ARCHAE DIFFER FROM BACTERIA IN THAT ARCHAEA | HAVE CELL WALLS COMPOSED OF SUBSTANCES OTHER THAN PEPTIDOGLYCAN
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| A SYSTEM OF CLASSIFICATION GROUPING ORGANISMS INTO 3 DOMAINS BASED ON CELLULAR ORGANIZATION OF ORGANISMS WAS DEVISED BY | CARL WOESE
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| TF THE CELL MEMBRANES OF ALL 3 DOMAINS ARE COMPOSED STRAIGHT CARBON CHAINS ATTACHED TO GLYCEROL BY ESTER LINKAGE | FALSE
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| WHICH OF THE FOLLOWING IS NOT A DOMAIN IN THE 3 DOMAIN SYSTEM | ANIMALIA
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| WHICH OF THE FOLLOWING IS THE BEST EVIDENCE FOR A 3 DOMAIN SYSTEM | NUCLEOTIDE SEQUENCES IN RIBOSOMAL RNA VARY BETWEEN ALL 3 DOMAIN SYSTEMS
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| WHICH OF THE FOLLOWING STATEMENTS IS INCORRECT REGARDING PROKARYOTIC CELLS? | THEY LACK A PLASMA MEMBRANE
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| WHAT MISTAKE DID JOHN NEEDHAM MAKE THAT CAUSED HIM TO CONCLUDE THAT SPONTANEOUS GENERATION FOR MICROORGANISMS OCCURRED? | HE RE-CONTAMINATED HIS BOILED BROTH SOLUTIONS
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| THE ARGUMENTS SUPPORTING SPONTANEOUS GENERATION WERE FINALL DISPROVED BY | LOUIS PASTEUR
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| IF YOU WERE SETTING UP AN EXPERIMENT TO DISPROVE SPONTANEOUS GENERATION IN A LIQUID MEDIUM, WHICH OF THE FOLLOWING WOULD BE ESSENTIAL TO THE EXPERIMENT? | USING A STERILE LIQUID AND ELIMINATING EXPOSURE TO MICROORGANISMS
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| IN WHICH OF THE FOLLOWING SITUATIONS WOULD KOCH'S POSTULATES BE UTILIZED. | DETERMINATION OF THE CAUSE OF A NEW EMERGING DIEASE BY SCIENTISTS STUDYING DIEASE TRANSMISSION
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| THE MAJOR SIGNIFICANCE OF ROBERT KOCH'S WORK IS THAT | MICROORGANISMS CAUSE DISEASE
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| PROOF THAT A MICROBE COULD CAUSE DISEASE WAS PROVIDED BY | KOCH
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| ROBERT KOCH IDENTIFIED THE CAUSE OF | ANTHRAX
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| WHICH STRUCTURE PROTECTS BACTERIA FROM BEING PHAGOCYTIZED? | CAPSULE
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| BY WHICH OF THE FOLLOWING MECHANISMS CAN A CELL TRANSPORT A SUBSTANCE FROM A LOWER TO A HIGHER CONCENTRATION? | ACTIVE TRANSPORT
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| WHICH OF THE FOLLOWING IS NOT PART OF THE PASSIVE TRANSPORT PROCESS | ATP
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| WHICH OF THE FOLLOWING IS CORRECT ABOUT PASSIVE DIFFUSION | IT INVOLVES MOVEMENT OF MOLECULES DOWN A CONCENTRATION GRADIENT AND MAY REQUIRE A TRANSPORT
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| WHICH OF THE FOLLOWING PLACES THE STEPS IN CORRECT SEQUENCE | 2-3-1
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| WHICH OF THE FOLLOWING PLACES THE STEPS OF THE GRAM STAIN IN CORRECT ORDER? | 2,4,1,3
CRYSTAL VIOLET, IODINE, ALCOHOL, SAFRANIN
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| WHICH OF THE FOLLOWING FINDINGS WAS ESSENTIAL FOR EDWARD JENNER'S VAX PROCESS | EXPOSURE TO A MILDER DISEASE FORM MAY PRODUCE IMMUNITY
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| WHICH PHYSICIAN IS FIRST ASSOCIATED W VAX | JENNER
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| PENICILLIN WAS DISCOVERED ON ACCIDENT BY | ALEXANDER FLEMING
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| WHICH MICROSCOPE IS USED TO SEE INTERNAL STRUCTURES OF CELLS IN A NATURAL STATE | PHASE CONTRAST MICROSCOPE
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| WHICH MICROSCOPE ACHIEVES THE HIGHEST MAGNIFICATION AND GREATEST RESOLUTION | ELECTRON MICROSCOPE
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| The greater resolution of the electron microscope compared to the compound microscope is due to the longer wavelengths of the electrons used to examine specimens. | FALSE
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| RECOMBINANT DNA REFERS TO THE | DNA RESULTING WHEN GENES FROM 1 ORGANISM ARE INSERTED INTO ANOTHER ORGANISM
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| ONE EFFECT OF WASHING REGULARLY WITH ANTIBACTERIAL AGENTS IS THE REMOVAL OF NORMAL MICROBIOATA. THIS CAN LEAD TO | INCREASED SUSCEPTIBILITY TO DISEASE
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| TF MICROOGRANISMS THAT ARE MEMBERS OF THE NORMAL MICROBIOATE ARE ALSO KNOWN TO CAUSE DISEASE. | TRUE
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| NORMAL MICROBIOATE | BOTH INDEFINETLY COLONIZE THE BODY AND TAKE UP RESIDENCE IN SITES SUCH AS THE COLON AND MOUTH
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| TF THE MALE URETHRA IS TYPICALLY STERILE | FALSE
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| SIMPLE STAINING IS OFTEN NECESSARY TO IMPROVE CONTRAST IN WHICH MICROSCOPE | COMPOUND LIGHT MICROSCOPE
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| Which of the following statements about gram-negative cell walls is FALSE? | D) They are sensitive to penicillin.
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| Which type of stain is most useful in helping clinicians to decide which antibiotic to prescribe for a bacterial infection? | GRAM STAIN
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| You are performing a Gram stain on gram-positive bacteria and you stop after the addition of the first dye. What is the appearance of the bacteria at this point? | PURPLE
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| Which step in the Gram stain is the critical step in differentiating gram-positive cells fro gram-negative cells? | ALCOHOL ACETONE
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| AN ACIDIC DYE | E) has a negatively charged chromophore and is used to stain the background in a negative stain.
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| TF In a completed Gram stain, gram-positive bacteria are purple. | TRUE
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| ENDOTOXINS ARE | PART OF THE GRAM NEGATIVE CELL WALL
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| Which microscope achieves the highest magnification and greatest resolution? | ELECTRON MICROSCOPE
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| The biosafety level (BSL) for most introductory microbiology laboratories is | BSL 1
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| The biosafety level (BSL) for a clinical microbiology laboratory working with potentially airborne pathogens, such as tuberculosis bacteria, is | BSL 3
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| In Figure 6.3, which tube shows the expected growth pattern for a microaerophile? | E (MIDDLE DOTS)
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| In Figure 6.3, which tube shows the expected growth pattern for a facultative anaerobe? | B (HEAVY TOP, SCATTERED DOWN)
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| Which of the following methods is used to preserve food by slowing the metabolic processes of foodborne microbes? | FREEZING
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| WHICH OF THE FOLLOWING IS THE BEST DEF OF GENERATION TIME | THE LENGTH OF TIME NEEDED FOR A CELL TO DIVIDE
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| WHICH OF THE FOLLOWING SUBSTANCES IS USED FOR SURGICAL HAND SCRUBS | CHLORHEXIDINE
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| WHICH OF THE FOLLOWING IS THE BEST METHOD TO STERILIZE HEAT-LABILE SOLUTIONS | MEMBRANE FILTRATION
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| WHICH OF THE FOLLOWING CHEMICAL AGENTS IS USED FOR STERILIATION | ETHYLENE OXIDE
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| WHICH OF THE FOLLOWING IS A LIMITATION OF THE AUTOVLAVE? | IT CANNOT BE USED WITH HEAT-LABILE MATERIALS
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| TF ALL FORMS OF LIFE FUNCTION OPTIMALLY AT THE PH OF 7 | FALSE
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| ASSUME YOU ARE GROWING BACTERIA ON A LIPID MEDIUM THAT STARTED AT PH7. THE ACTION OF BACTERIAL LIPASES SHOULD CAUSE THE PH OF THE MEDIUM TO | DECREASE-BECOME MORE ACIDIC
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| WHICH ONE OF THE FOLLOWING STATEMENTS IS A REASON FOR NOT CLASSIFYING VIRUSES IN ONE OF THE 3 DOMAINS OF LIFE RATHER THAN IN A 4TH SEPARATE DOMAIN | VIRUSES ARE NOT COMPOSED OF CELLS
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| OXYGEN CROSSES A PLASMA MEMBRANE | THROUGH SIMPLE DIFFUSION
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| BY WHICH OF THE FOLLOWING MECHANISMS CAN A CELL TRANSPORT A SUBSTANCE FROM A LOWER TO HIGHER CONCENTRATION? | ACTIVE TRANSPORT
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| THE DIFFERENT BETWEEN SIMPLE DIFFUSION AND FACILITATED DIFFUSION IS THAT F.D. | REQUIRES TRANSPORTER PROTEINS
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| WHICH STEP IN THE GRAM STAIN IS CRITICAL STEP IN DIFFERENTIATING GRAM POSITIVE CELLS FROM NEGATIVE CELLS | ALCOHOL-ACETONE
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| MOST BACTERIA GROW BEST AT PH | 7
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| MOST FUNGI GROW BEST AT PH | 5
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| WHICH DIAGRAM OF A CELL WALL POSSESSES LIPID A / ENDOTOXIN RESPONSIBLE FOR SYMPTOMS ASSOCIATED WITH INFECTION? | GRAM NEGATIVE
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| WHICH DIAGRAM OF A CELL WALL HAS A STRUCTURE THAT PROTECTS AGAINST OSMOTIC LYSIS | GRAM POSITIVE AND NEGATIVE
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| WHICH CELL WAS IS RESISTANT TO MANY ANTIBIOTICS | GRAM NEGATIVE
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| WHICH CELL WALL CONTAINS TEICHOIC ACIDS | GRAM NEGATIVE
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| WHICH DIAGRAM OF A CELL WALL IS DECOLORIZED BY A BRIEF EXPOSURE TO ALCOHOL | GRAM NEGATIVE
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| WHICH OF THE FOLLOWING CORRECTLY TRACES THE PATH OF LIGHT THROUGH THE COMPOUND MICROSCOPE | LIGHT SOURCE, CONDENSER, SPECIMEN, OBJECTIVE LENS, OCULAR LENS
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| WHAT STRUCTURE DOES LGIHT PASS THROUGH AFTER LEAVING THE CONDENSER IN A COMPOUND LIGHT MICROSCOPE | SPECIMENT
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| THE RESOLUTION OF A MICROSCOPE CAN BE IMPROVED BY CHANGING THE | WAVELENGTH OF LIGHT
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| THE PURPOSE OF THE OCULAR LENS IS TO | MAGNIFY THE IMAGE FROM THE OBJECTIVE LENS
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| TF IN MEASURING TURBIDITY OF A CULTURE IN INDIRECT MEASUREMENT OF BACTERIAL GROWTH, ABSORBANCE AND TRANSMITTANCE ARE IDENTICAL AND INTERCHANGEABLE VALUES | FALSE
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