Microbiology Final Straighterline,
Straighterline Micro 250 Final Prep
Questions And Answers
phylogeny b- bcorrect banswers✔✔The bstudy bof bevolutionary brelationships bamong
borganisms bis bcalled b______.
Last bUniversal bCommon bAncestor b- bcorrect banswers✔✔The bthree bcell btypes
bdiscussed, beukaryotes, barchaea, band bbacteria, ball bderived bfrom b______.
always bharmful bto btheir bhost b- bcorrect banswers✔✔Organisms bcalled bparasites bare
b______.
Thermal bhot bsprings bwarmed bby bheat bfrom bearth's binterior b- bcorrect
banswers✔✔Which bof bthe bfollowing bdoes bnot bindicate bmicrobe binvolvement bin
benergy band bnutrient bflow?
Electrons b- bcorrect banswers✔✔The bsubatomic bparticles bthat bsurround bthe bnucleus
bare bthe b______.
respiratory bdisease b- bcorrect banswers✔✔The bnumber bone bworldwide binfectious
bdiseases bare b______.
saturated b- bcorrect banswers✔✔A bfat bis bcalled b_____ bif ball bcarbons bof bthe bfatty
bacid bchain bare bsingle-bonded bto b2 bother bcarbons band b2 bhydrogens.
lipid b- bcorrect banswers✔✔One btechnique bfor bstaining bbacteria bfor bviewing bunder
bthe bmicroscope bis bcalled bthe bGram bstain. bIn bthis btechnique, balcohol bis bused bas ba
bdecolorizer bbecause bit bdegrades bthe bouter bmembrane bfound bin bsome bbacteria.
bWhat bchemical bcomponent bof bthe bcell bdoes balcohol baffect?
95X b- bcorrect banswers✔✔If ba bmicrobiologist bis bstudying ba bspecimen bat ba btotal
bmagnification bof b950X, bwhat bis bthe bmagnifying bpower bof bthe bobjective blens bif bthe
bocular blens bis b10X?
cell bsize bof b0.5 bto b2 bmicrons b- bcorrect banswers✔✔NASA bhas bpublished ba blist bof
bcriteria bfor bidentifying bfossil bbacteria bin bsamples bfrom bMars, bas bpart bof ba bsearch
bfor bevidence bof blife. bWhich bof bthe bfollowing bis bgood bevidence bfor bthe bpresence
bof bbacterial bcells?
,electron b- bcorrect banswers✔✔Which btype bof bmicroscope bachieves bthe bgreatest
bresolution band bhighest bmagnification?
a bsolid bmedium b- bcorrect banswers✔✔Which bof bthe bfollowing bis bproduced bby
badding b1% bto b5% bagar bto bnutrient bbroth bthat bis bthen bboiled band bcooled?
Creutzfeldt-Jacob bdisease b- bcorrect banswers✔✔a bspongiform bencephalopathy bof
bhumans
amphitrichous b- bcorrect banswers✔✔The bterm bthat brefers bto bflagella bat bboth bpoles
bof bthe bcell bis b______.
saprobe b- bcorrect banswers✔✔In bthe bcondition bcalled bathlete's bfoot, bthe bfungus
bTrichophyton bconsumes bthe bkeratin bprotein bfound bin bhair, bnails, band bdead bskin.
bWhich bof bthe bfollowing bdescriptors bdoes bnot bapply bto bTrichophyton?
gram-negative b- bcorrect banswers✔✔During bthe bGram bstain, bthe bapplication bof
balcohol bresults bin bthe bdecolorization bof b______ bcells.
80s b- bcorrect banswers✔✔The bsize bof ba beukaryotic bribosome bis b______
Bacterial bcells bare btypically bbetween b1-10 bμm band bare bblocked bby bthe bfilter,
bwhereas bmost bviruses bare bbetween b20 band b200 bnm band btherefore bpass bthrough.
b- bcorrect banswers✔✔Sterilizing bfilters bhave ba bpore bsize bof b0.22 bμm. bWhich bof
bthe bfollowing bstatements bis btrue?
icosahedral b- bcorrect banswers✔✔One bof bthe bprincipal bviral bcapsid bshapes bis ba
b20-sided bfigure bwith b12 bevenly bspaced bcorners breferred bto bas ba/an b_____
bcapsid.
fecal boral b- bcorrect banswers✔✔Amoebic bdysentery bis bmost bcommonly bcontracted
bthrough
lysogeny b- bcorrect banswers✔✔the bviral bgenome binserting binto bbacterial bhost
bchromosome
envelope b- bcorrect banswers✔✔Which bof bthe bfollowing bis bnot bassociated bwith
bevery bvirus?
palisade b- bcorrect banswers✔✔When bbacilli bin ba bchain bfold bback bupon beach bother
blike ba bhinge, bthis bcellular barrangement bis btermed ba b______.
histones b- bcorrect banswers✔✔proteins bassociated bwith bDNA bin bthe bnucleus.
tropisms b- bcorrect banswers✔✔Viral btissue bspecificities bare bcalled b______.
,lophotrichous b- bcorrect banswers✔✔the bterm bthat brefers bto bthe bpresence bof ba btuft
bof bflagella bemerging bfrom ba bsingle bsite bis b______.
mutualistic b- bcorrect banswers✔✔E. bcoli bbacteria bnormally blive bin bthe bhuman bgut
band bproduce bvitamin bK bthat bthe bbody buses. bThis bis bbest btermed ba b______
brelationship.
mutualistic b- bcorrect banswers✔✔Termites bare binsects bthat brequire bthe bprotozoan
bTrichonympha bin btheir bgut bto bsynthesize bthe benzyme bcellulase bto bdegrade bthe
bcellulose bin bwood. bThe bprotozoan buses bthe bend bproducts bof bthe bcellulose
bbreakdown b(glucose). bThis bis ba(n) b______ brelationship.
lag bphase b- bcorrect banswers✔✔The bphase bof bthe bbacterial bgrowth bcurve bin bwhich
bnewly binoculated bcells bare badjusting bto btheir bnew benvironment, bmetabolizing bbut
bnot bgrowing bat ban bexponential brate, bis bthe b______.
hypotonic b- bcorrect banswers✔✔The bcell bwall bwill bhelp bprevent bthe bcell bfrom
bbursting bin b______ bconditions.
photoheterotroph b- bcorrect banswers✔✔This bmicrobe bis bphotosynthetic, bbut bin bthe
babsence bof blight bit bcan buse borganic bcompounds bas ban benergy bsource. bIts bcarbon
bsource bis ban borganic bcompound. bThe bappropriate bclassification bfor bthis borganism
bwould bbe b______.
thermoduric bmicrobe b- bcorrect banswers✔✔A bmicroorganism bthat bhas ban boptimum
bgrowth btemperature bof b37°C, bbut bcan bsurvive bshort bexposure bto bhigh
btemperatures bis bcalled ba(n) b______.
Noncompetitive binhibition b- bcorrect banswers✔✔the bend bproduct bbinding bto benzyme
bin bnoncompetitive bsite
catalysts bfor bRNA bsplicing b- bcorrect banswers✔✔Ribozymes bare b______.
coenzymes b- bcorrect banswers✔✔Most belectron bcarriers bare b______.
2 b- bcorrect banswers✔✔what bis bthe busual bnet bproduction bof bATP?
aerobic bcellular brespiration b- bcorrect banswers✔✔Exergonic breactions boccur bduring
one bphosphate, bone bnitrogenous bbase, band bone bsugar b- bcorrect banswers✔✔Each
bnucleotide bis bcomposed bof
deletion band binsertion b- bcorrect banswers✔✔A bframeshift bis bcaused bby b______
bmutations.
, genomics brefers bto bthe bstudy bof ban borganism's bentire bgenome, bwhereas
bproteomics bis bthe bstudy bof bexpressed bproteins b- bcorrect banswers✔✔The bfields bof
bgenomics band bproteomics bdiffer bin bthat
eukaryotes b- bcorrect banswers✔✔endosymbiotic btheory
adenine-thymine b- bcorrect banswers✔✔Replication bof bDNA bbegins bat ba/an b_______
brich barea.
capsid b- bcorrect banswers✔✔A/an b_____ bis bthe bprotein bshell baround bthe bnucleic
bacid bcore bof ba bvirus.
hyphae b- bcorrect banswers✔✔The blong, bthread-like bbranching bcells bof bmolds bare
bcalled b______.
the belectron btransport bsystem b- bcorrect banswers✔✔in bwhich bstage bof baerobic
brespiration bis bwater bproduced?
generalized btransduction b- bcorrect banswers✔✔A bbacteriophage btransfers ba brandom
bfragment bof bDNA bof bthe bprevious bhost bto bthe bcurrent bhost. bThis bis ban bexample
bof
capsule b- bcorrect banswers✔✔Which bexternal bstructure bprotects bbacteria bfrom
bphagocytosis?
DNA bligase b- bcorrect banswers✔✔Okazaki bfragments bare battached bto bthe bgrowing
bend bof bthe blagging bstrand bby b_______.
taxonomy b- bcorrect banswers✔✔Which bscientific bfield bis binvolved bin bthe
bidentification, bclassification, band bnaming bof borganisms?
trace belements b- bcorrect banswers✔✔Microorganisms brequire bsmall bquantities bof
b______ bfor benzyme bfunction band bmaintenance bof bprotein bstructure.
host bglycoproteins b- bcorrect banswers✔✔Viruses battach bto btheir bhosts bvia b______.
bright-field b- bcorrect banswers✔✔Which btype bof bmicroscope bshows bcells bagainst ba
bwhite bbackground?
photosystems b- bcorrect banswers✔✔The blight-harvesting bunits bin bthe bthylakoid
bmembranes bare bthe b______.
viroids b- bcorrect banswers✔✔Infectious bnaked bstrands bof bRNA bthat baffect bplants
bare bcalled b______.
Straighterline Micro 250 Final Prep
Questions And Answers
phylogeny b- bcorrect banswers✔✔The bstudy bof bevolutionary brelationships bamong
borganisms bis bcalled b______.
Last bUniversal bCommon bAncestor b- bcorrect banswers✔✔The bthree bcell btypes
bdiscussed, beukaryotes, barchaea, band bbacteria, ball bderived bfrom b______.
always bharmful bto btheir bhost b- bcorrect banswers✔✔Organisms bcalled bparasites bare
b______.
Thermal bhot bsprings bwarmed bby bheat bfrom bearth's binterior b- bcorrect
banswers✔✔Which bof bthe bfollowing bdoes bnot bindicate bmicrobe binvolvement bin
benergy band bnutrient bflow?
Electrons b- bcorrect banswers✔✔The bsubatomic bparticles bthat bsurround bthe bnucleus
bare bthe b______.
respiratory bdisease b- bcorrect banswers✔✔The bnumber bone bworldwide binfectious
bdiseases bare b______.
saturated b- bcorrect banswers✔✔A bfat bis bcalled b_____ bif ball bcarbons bof bthe bfatty
bacid bchain bare bsingle-bonded bto b2 bother bcarbons band b2 bhydrogens.
lipid b- bcorrect banswers✔✔One btechnique bfor bstaining bbacteria bfor bviewing bunder
bthe bmicroscope bis bcalled bthe bGram bstain. bIn bthis btechnique, balcohol bis bused bas ba
bdecolorizer bbecause bit bdegrades bthe bouter bmembrane bfound bin bsome bbacteria.
bWhat bchemical bcomponent bof bthe bcell bdoes balcohol baffect?
95X b- bcorrect banswers✔✔If ba bmicrobiologist bis bstudying ba bspecimen bat ba btotal
bmagnification bof b950X, bwhat bis bthe bmagnifying bpower bof bthe bobjective blens bif bthe
bocular blens bis b10X?
cell bsize bof b0.5 bto b2 bmicrons b- bcorrect banswers✔✔NASA bhas bpublished ba blist bof
bcriteria bfor bidentifying bfossil bbacteria bin bsamples bfrom bMars, bas bpart bof ba bsearch
bfor bevidence bof blife. bWhich bof bthe bfollowing bis bgood bevidence bfor bthe bpresence
bof bbacterial bcells?
,electron b- bcorrect banswers✔✔Which btype bof bmicroscope bachieves bthe bgreatest
bresolution band bhighest bmagnification?
a bsolid bmedium b- bcorrect banswers✔✔Which bof bthe bfollowing bis bproduced bby
badding b1% bto b5% bagar bto bnutrient bbroth bthat bis bthen bboiled band bcooled?
Creutzfeldt-Jacob bdisease b- bcorrect banswers✔✔a bspongiform bencephalopathy bof
bhumans
amphitrichous b- bcorrect banswers✔✔The bterm bthat brefers bto bflagella bat bboth bpoles
bof bthe bcell bis b______.
saprobe b- bcorrect banswers✔✔In bthe bcondition bcalled bathlete's bfoot, bthe bfungus
bTrichophyton bconsumes bthe bkeratin bprotein bfound bin bhair, bnails, band bdead bskin.
bWhich bof bthe bfollowing bdescriptors bdoes bnot bapply bto bTrichophyton?
gram-negative b- bcorrect banswers✔✔During bthe bGram bstain, bthe bapplication bof
balcohol bresults bin bthe bdecolorization bof b______ bcells.
80s b- bcorrect banswers✔✔The bsize bof ba beukaryotic bribosome bis b______
Bacterial bcells bare btypically bbetween b1-10 bμm band bare bblocked bby bthe bfilter,
bwhereas bmost bviruses bare bbetween b20 band b200 bnm band btherefore bpass bthrough.
b- bcorrect banswers✔✔Sterilizing bfilters bhave ba bpore bsize bof b0.22 bμm. bWhich bof
bthe bfollowing bstatements bis btrue?
icosahedral b- bcorrect banswers✔✔One bof bthe bprincipal bviral bcapsid bshapes bis ba
b20-sided bfigure bwith b12 bevenly bspaced bcorners breferred bto bas ba/an b_____
bcapsid.
fecal boral b- bcorrect banswers✔✔Amoebic bdysentery bis bmost bcommonly bcontracted
bthrough
lysogeny b- bcorrect banswers✔✔the bviral bgenome binserting binto bbacterial bhost
bchromosome
envelope b- bcorrect banswers✔✔Which bof bthe bfollowing bis bnot bassociated bwith
bevery bvirus?
palisade b- bcorrect banswers✔✔When bbacilli bin ba bchain bfold bback bupon beach bother
blike ba bhinge, bthis bcellular barrangement bis btermed ba b______.
histones b- bcorrect banswers✔✔proteins bassociated bwith bDNA bin bthe bnucleus.
tropisms b- bcorrect banswers✔✔Viral btissue bspecificities bare bcalled b______.
,lophotrichous b- bcorrect banswers✔✔the bterm bthat brefers bto bthe bpresence bof ba btuft
bof bflagella bemerging bfrom ba bsingle bsite bis b______.
mutualistic b- bcorrect banswers✔✔E. bcoli bbacteria bnormally blive bin bthe bhuman bgut
band bproduce bvitamin bK bthat bthe bbody buses. bThis bis bbest btermed ba b______
brelationship.
mutualistic b- bcorrect banswers✔✔Termites bare binsects bthat brequire bthe bprotozoan
bTrichonympha bin btheir bgut bto bsynthesize bthe benzyme bcellulase bto bdegrade bthe
bcellulose bin bwood. bThe bprotozoan buses bthe bend bproducts bof bthe bcellulose
bbreakdown b(glucose). bThis bis ba(n) b______ brelationship.
lag bphase b- bcorrect banswers✔✔The bphase bof bthe bbacterial bgrowth bcurve bin bwhich
bnewly binoculated bcells bare badjusting bto btheir bnew benvironment, bmetabolizing bbut
bnot bgrowing bat ban bexponential brate, bis bthe b______.
hypotonic b- bcorrect banswers✔✔The bcell bwall bwill bhelp bprevent bthe bcell bfrom
bbursting bin b______ bconditions.
photoheterotroph b- bcorrect banswers✔✔This bmicrobe bis bphotosynthetic, bbut bin bthe
babsence bof blight bit bcan buse borganic bcompounds bas ban benergy bsource. bIts bcarbon
bsource bis ban borganic bcompound. bThe bappropriate bclassification bfor bthis borganism
bwould bbe b______.
thermoduric bmicrobe b- bcorrect banswers✔✔A bmicroorganism bthat bhas ban boptimum
bgrowth btemperature bof b37°C, bbut bcan bsurvive bshort bexposure bto bhigh
btemperatures bis bcalled ba(n) b______.
Noncompetitive binhibition b- bcorrect banswers✔✔the bend bproduct bbinding bto benzyme
bin bnoncompetitive bsite
catalysts bfor bRNA bsplicing b- bcorrect banswers✔✔Ribozymes bare b______.
coenzymes b- bcorrect banswers✔✔Most belectron bcarriers bare b______.
2 b- bcorrect banswers✔✔what bis bthe busual bnet bproduction bof bATP?
aerobic bcellular brespiration b- bcorrect banswers✔✔Exergonic breactions boccur bduring
one bphosphate, bone bnitrogenous bbase, band bone bsugar b- bcorrect banswers✔✔Each
bnucleotide bis bcomposed bof
deletion band binsertion b- bcorrect banswers✔✔A bframeshift bis bcaused bby b______
bmutations.
, genomics brefers bto bthe bstudy bof ban borganism's bentire bgenome, bwhereas
bproteomics bis bthe bstudy bof bexpressed bproteins b- bcorrect banswers✔✔The bfields bof
bgenomics band bproteomics bdiffer bin bthat
eukaryotes b- bcorrect banswers✔✔endosymbiotic btheory
adenine-thymine b- bcorrect banswers✔✔Replication bof bDNA bbegins bat ba/an b_______
brich barea.
capsid b- bcorrect banswers✔✔A/an b_____ bis bthe bprotein bshell baround bthe bnucleic
bacid bcore bof ba bvirus.
hyphae b- bcorrect banswers✔✔The blong, bthread-like bbranching bcells bof bmolds bare
bcalled b______.
the belectron btransport bsystem b- bcorrect banswers✔✔in bwhich bstage bof baerobic
brespiration bis bwater bproduced?
generalized btransduction b- bcorrect banswers✔✔A bbacteriophage btransfers ba brandom
bfragment bof bDNA bof bthe bprevious bhost bto bthe bcurrent bhost. bThis bis ban bexample
bof
capsule b- bcorrect banswers✔✔Which bexternal bstructure bprotects bbacteria bfrom
bphagocytosis?
DNA bligase b- bcorrect banswers✔✔Okazaki bfragments bare battached bto bthe bgrowing
bend bof bthe blagging bstrand bby b_______.
taxonomy b- bcorrect banswers✔✔Which bscientific bfield bis binvolved bin bthe
bidentification, bclassification, band bnaming bof borganisms?
trace belements b- bcorrect banswers✔✔Microorganisms brequire bsmall bquantities bof
b______ bfor benzyme bfunction band bmaintenance bof bprotein bstructure.
host bglycoproteins b- bcorrect banswers✔✔Viruses battach bto btheir bhosts bvia b______.
bright-field b- bcorrect banswers✔✔Which btype bof bmicroscope bshows bcells bagainst ba
bwhite bbackground?
photosystems b- bcorrect banswers✔✔The blight-harvesting bunits bin bthe bthylakoid
bmembranes bare bthe b______.
viroids b- bcorrect banswers✔✔Infectious bnaked bstrands bof bRNA bthat baffect bplants
bare bcalled b______.
