MCB 100 EXAM 2 ICLICKER EXAM QUESTIONS AN
ANSWERS
What ctype cof carrangement coccurs cwhen cbacilli cdivide cby csnapping cdivision?
A) cPalisades cand cV-shapes
B) cSingle cbacilli
C) cStreptobacilli
D) cDiplobacilli c- cCORRECT cANS✔✔A) cpalisades cand cV cshapes
Which cof cthe cfollowing cis cNOT ca ctypical chabitat cfor can cextremophile?
A) cdeep-sea chydrothermal cvents
B) cthe cDead cSea
C) cacidic chot csprings
D) cthe cbottom cof ca cswamp c- cCORRECT cANS✔✔D) cthe cbottom cof ca cswamp
Match cthe cdescriptions cwith cthe cprokaryotic cmorphologies cdepicted. c- cCORRECT cANS✔✔know
Which cof cthe cfollowing ccharacteristics cdistinguish cthe carchaea cfrom cthe cbacteria?
A) cthe cdeoxyribonucleotides cin cthe cDNA
B) cribosomal cRNA c(rRNA) csequences
C) ccell cwall ccomposition
D) ccytoplasmic cmembrane clipids
E) ccell cwall ccomposition, ccytoplasmic cmembrane clipids, cand crRNA csequences c- cCORRECT cAN
ccytoplasmic cmembrane clipids, cand crRNA csequences
Which cof cthe cfollowing cis cCORRECT cabout cthe cprokaryotes cknown cas cdeeply cbranching cbact
A) cThey care cphotosynthetic.
B) cThey care ccommonly cfound cin cacidic, canaerobic cconditions.
C) cThey cgrow cin clong cbranching cfilaments.
, D) coxygen c- cCORRECT cANS✔✔C) cfixed cnitrogen
The c________ care cthe clargest cknown cgroup cof carchaea.
A) cmethanogens
B) ccyanobacteria
C) chalophiles
D) chyperthermophiles
E) cthermophiles c- cCORRECT cANS✔✔A) cmethanogens
In cwhich cof cthese cways cdo carchaea cdiffer cfrom cbacteria?
A) cArchaea care call cextremophiles.
B) cThe cinitial camino cacid cin cthe cpeptides cof carchaea cis cN-formylmethionine.
C) cArchaea clack cpeptidoglycan cin ctheir ccell cwalls.
D) cArchaeal ccytoplasmic cmembranes' clipids ccontain cstraight chydrocarbon cchains. c- cCORRECT
cpeptidoglycan cin ctheir ccell cwalls
The carrangement cillustrated cin cthe cfigure cis cknown cas
A) cstaphylococcus.
B) csarcinae.
C) cpalisades.
D) cstreptobacillus.
E) ctetrad. c- cCORRECT cANS✔✔C) cpalisades
A cbacterial cspecies cwith cspherical ccells cthat chave crandom cplanes cof ccell cdivision cwill cform cwh
carrangements?
A) cstreptococci
B) ctetrads
C) csarcinae
D) cstaphylococci c- cCORRECT cANS✔✔D) cstaphylococci
T/F cThe cmajority cof cprokaryotes care ccapable cof cforming cendospores. c- cCORRECT cANS✔✔fal
Which cof cthe cfollowing cis cNOT ca cproperty cof cLactobacilli?
A) cThey care cpart cof cthe cnormal chuman cmicrobiota.
B) cThey care cusually cnon-pathogenic.
C) cThey care cmembers cof cthe chigh cG c+ cC cGram-positive cbacteria.
D) cThey care cuseful cin cfood cproduction. c- cCORRECT cANS✔✔C) cthey care cmembers cof cthe chig
cbacteria
What care cflexible, cspiral-shaped cbacteria ccalled?
A) cPleomorphic
B) cBacilli
C) cSpirilla
D) cSpirochetes c- cCORRECT cANS✔✔D) cspirochetes
Which cof cthe cfollowing ccorrectly cdescribes cthe cfunction cof cbacterial cendospores?
A) cEndospores care cproduced cas cresting cstages cof cthe cbacterium cthat ccan csurvive cinhospitable
B) cEndospores care creproductive cstructures cproduced cby csome cGram-positive cbacteria.
C) cEndospores care cspecialized ccells cused cfor cnitrogen cfixation.
D) cEndospores care cspecialized creproductive ccells cproduced cby cchlamydia's. c- cCORRECT cANS
cproduced cas cresting cstages cof cthe cbacterium cthat ccan csurvive cinhospitable cconditions
Label cthe cvegetative ccell cand cthe cendospore cfor cits clocation cwithin cthe ccell. c- cCORRECT cANS
c- cblue cand cat cend
ANSWERS
What ctype cof carrangement coccurs cwhen cbacilli cdivide cby csnapping cdivision?
A) cPalisades cand cV-shapes
B) cSingle cbacilli
C) cStreptobacilli
D) cDiplobacilli c- cCORRECT cANS✔✔A) cpalisades cand cV cshapes
Which cof cthe cfollowing cis cNOT ca ctypical chabitat cfor can cextremophile?
A) cdeep-sea chydrothermal cvents
B) cthe cDead cSea
C) cacidic chot csprings
D) cthe cbottom cof ca cswamp c- cCORRECT cANS✔✔D) cthe cbottom cof ca cswamp
Match cthe cdescriptions cwith cthe cprokaryotic cmorphologies cdepicted. c- cCORRECT cANS✔✔know
Which cof cthe cfollowing ccharacteristics cdistinguish cthe carchaea cfrom cthe cbacteria?
A) cthe cdeoxyribonucleotides cin cthe cDNA
B) cribosomal cRNA c(rRNA) csequences
C) ccell cwall ccomposition
D) ccytoplasmic cmembrane clipids
E) ccell cwall ccomposition, ccytoplasmic cmembrane clipids, cand crRNA csequences c- cCORRECT cAN
ccytoplasmic cmembrane clipids, cand crRNA csequences
Which cof cthe cfollowing cis cCORRECT cabout cthe cprokaryotes cknown cas cdeeply cbranching cbact
A) cThey care cphotosynthetic.
B) cThey care ccommonly cfound cin cacidic, canaerobic cconditions.
C) cThey cgrow cin clong cbranching cfilaments.
, D) coxygen c- cCORRECT cANS✔✔C) cfixed cnitrogen
The c________ care cthe clargest cknown cgroup cof carchaea.
A) cmethanogens
B) ccyanobacteria
C) chalophiles
D) chyperthermophiles
E) cthermophiles c- cCORRECT cANS✔✔A) cmethanogens
In cwhich cof cthese cways cdo carchaea cdiffer cfrom cbacteria?
A) cArchaea care call cextremophiles.
B) cThe cinitial camino cacid cin cthe cpeptides cof carchaea cis cN-formylmethionine.
C) cArchaea clack cpeptidoglycan cin ctheir ccell cwalls.
D) cArchaeal ccytoplasmic cmembranes' clipids ccontain cstraight chydrocarbon cchains. c- cCORRECT
cpeptidoglycan cin ctheir ccell cwalls
The carrangement cillustrated cin cthe cfigure cis cknown cas
A) cstaphylococcus.
B) csarcinae.
C) cpalisades.
D) cstreptobacillus.
E) ctetrad. c- cCORRECT cANS✔✔C) cpalisades
A cbacterial cspecies cwith cspherical ccells cthat chave crandom cplanes cof ccell cdivision cwill cform cwh
carrangements?
A) cstreptococci
B) ctetrads
C) csarcinae
D) cstaphylococci c- cCORRECT cANS✔✔D) cstaphylococci
T/F cThe cmajority cof cprokaryotes care ccapable cof cforming cendospores. c- cCORRECT cANS✔✔fal
Which cof cthe cfollowing cis cNOT ca cproperty cof cLactobacilli?
A) cThey care cpart cof cthe cnormal chuman cmicrobiota.
B) cThey care cusually cnon-pathogenic.
C) cThey care cmembers cof cthe chigh cG c+ cC cGram-positive cbacteria.
D) cThey care cuseful cin cfood cproduction. c- cCORRECT cANS✔✔C) cthey care cmembers cof cthe chig
cbacteria
What care cflexible, cspiral-shaped cbacteria ccalled?
A) cPleomorphic
B) cBacilli
C) cSpirilla
D) cSpirochetes c- cCORRECT cANS✔✔D) cspirochetes
Which cof cthe cfollowing ccorrectly cdescribes cthe cfunction cof cbacterial cendospores?
A) cEndospores care cproduced cas cresting cstages cof cthe cbacterium cthat ccan csurvive cinhospitable
B) cEndospores care creproductive cstructures cproduced cby csome cGram-positive cbacteria.
C) cEndospores care cspecialized ccells cused cfor cnitrogen cfixation.
D) cEndospores care cspecialized creproductive ccells cproduced cby cchlamydia's. c- cCORRECT cANS
cproduced cas cresting cstages cof cthe cbacterium cthat ccan csurvive cinhospitable cconditions
Label cthe cvegetative ccell cand cthe cendospore cfor cits clocation cwithin cthe ccell. c- cCORRECT cANS
c- cblue cand cat cend
