Biod 171 module 1 exam Questions And Answers

Biod 171 module 1 exam Questions And
Answers


True/False.vAvvirusvisvconsideredvavmicroorganism.v-vAnswerv-vFalse



TruevorvFalse:vThevsmallestvbiologicalvunitvofvlifevisvthevmolecule.v-vAnswerv-vFalse



Atvavgeneralizedvlevel,vallvcellsvarevcomprisedvofvwhat?v-vAnswerv-vMacromoleculesv



Avstudentvmayvalsovanswer:vProteins,vLipids,vNucleicvacidsvandvPolysaccharidesvbutvtheyvmustvanswer
vwithvallvfourvtovbevfullyvcorrect.




Proteinsvarevformedvfromvvariousvcombinationsvofv_______vofvwhichvtherevarev______vknownvforms.v
-vAnswerv-v1.vAminovacidsv

2.v20



Howvmanyvaminovacidsvarevclassifiedvasvbeingvessentialvaminovacids?v-vAnswerv-v9



Thevplasmavmembranev(selectvallvthatvarevtrue):v

A.vRestrictsvmovementvofvmaterialsvinvandvoutvofvthevcellv

B.vIsvoftenvavtriplevlayervcomprisedvofvlipidsv

C.vPreventsvessentialvnutrientsvfromvescaping

D.vContainsvhydrophobicvtailsvpointingvoutwardv-vAnswerv-vA;C



CompletevthevfollowingvDNAvstrand,vandvindicatevhowvmanyvbondsvarevformedvforveachvcomplement
aryvpair:v

3'vGGTCATCGv5'v

, 5'vCCv_____AGCv3'v-vAnswerv-v3'vGGTCATCGv5'v

5'vCCAGTAGCv3'v



Therevarev2vbondsvformedvbetweenvAvandvT,vandv3vbondsvbetweenvGvandvC.



TruevofvFalse:vThevgeneticvmaterialvwithinvavprokaryoticvcellvisvcontainedvwithinvavmembrane-
enclosedvregion.v-vAnswerv-vFalse



Howvmanyvcarbonvatomsvarevpresentvinvthevmonosaccharidevglucose?v-vAnswerv-v6



Describevthev4vbasicvbacterialvmorphologies.v-vAnswerv-
vCoccusv(round/spherical),vbacillusv(rod),vvibriov(curvedvrod)vorvspirillumv(spiral/corkscrew).




TruevorvFalse:vArchaea,vaveukaryoticvclassvofvmicroorganisms,visvcapablevofvsurvivingvharshvenvironme
nts.v-vAnswerv-vFalse



WhichvofvthevfollowingvmicroorganismsvarevconsideredvtovbevEukarya?vSelectvallvthatvapply.v

Animalia

Plantae

Fungi

Protistav-vAnswerv-vAllvofvthem



Microorganismsvclassifiedvasv_________vobtainvmostvofvtheirvenergyvbyvconvertingvlightvenergyvintovc
hemicalvenergy.v-vAnswerv-vPlantae



Avdefiningvcharacteristicvofvfungivisvthevpresencevofvchitinvinvthevcellvwalls.vWhichvofvfollowingvalsovco
ntainvchitin?vSelectvallvthatvapply.v

A.vMushroomsv

B.vBacteriav

C.vYeast