食品細(xì)胞工程智慧樹知到課后章節(jié)答案2023年下浙江大學(xué)

食品細(xì)胞工程智慧樹知到課后章節(jié)答案2023年下浙江大學(xué)浙江大學(xué)

第一章測試

Thebiotechnologythatcaneffectivelybreaktheboundariesofspecies,directionallytransformthegenetictraitsoforganisms,andbreednewandexcellentvarietiesis().()

A:Hybridbreedingtechnology

B:Tissueculturetechnology

C:Geneticengineeringtechnology

D:Mutagenesisbreedingtechnology

答案:Geneticengineeringtechnology

Thegenomerepresentsacellororganism().()

A:Partofgeneticinformation

B:Non-transcribedgenes

C:Completesetofgeneticinformation

D:Transcribablegenes

答案:Completesetofgeneticinformation

Plantcellengineeringincludes().()

A:Cellpreservationtechnology

B:Geneticmodification

C:Planttissueculture

D:CellFusionTechnology

答案:Cellpreservationtechnology

;Geneticmodification

;Planttissueculture

Microbialcellengineeringismainlyusedtoproducevaluabletargetproducts,includingvaccinesandbetterdiseasediagnosistools.（）

A:錯(cuò)B:對

答案:對

VitaminAdeficiencycanleadtonightblindness,whichgraduallyevolvesintodryeye,cornealsofteningandcompleteblindnessinthelaterstage,butitwillnotleadtoanincreaseinadverseconditionsduringpregnancyandlactation.（）

A:錯(cuò)B:對

答案:錯(cuò)

第二章測試

()isthemostcommonlyusedmonosaccharideandthemainenergysource.()

A:Fructose

B:Glucose

C:Lactose

D:Maltose

答案:Glucose

Adherentcellsneedtobepassagedvia().()

A:Centrifugation

B:Enzymaticdigestionmethod

C:Mechanicalseparationmethod

D:Freezingpreservationmethod

答案:Enzymaticdigestionmethod

USfederallawrequiresresearcherstofollow()principlesinanimalexperiments.()

A:Reduction

B:Replacement

C:Repeat

D:Refinement

答案:Reduction

;Replacement

;Refinement

Cellexperimentscanreplaceanimalexperiments.（）

A:錯(cuò)B:對

答案:錯(cuò)

Suspensioncellsneedtoattachtoasurfaceintheearlystageofcellculture.（）

A:錯(cuò)B:對

答案:錯(cuò)

第三章測試

Whichisuniquesubcellularstructureinbacterialcell?（）。

A:Nucleoid

B:Cellmembrane

C:Cytoplasm

D:Ribosomes

答案:Nucleoid

High-ThroughputSequencing（）。

A:isalsocalledNext-GenerationSequencing

B:Alloftheabove

C:involvesmultiplesequencingreactionsatonce

D:allowsthousandsofgenomestobesequenced

答案:Alloftheabove

ThereactionmixtureofPCRincludes()

A:Primers

B:Template

C:RNA

D:Polymerase

答案:Primers

;Template

;Polymerase

Thesoluteofdifferentialcentrifugationishomogenoussolute.（）

A:對B:錯(cuò)

答案:對

It'sbettertoextractDNAbycommercialkitsforallsubsequentexperiments.（）

A:對B:錯(cuò)

答案:錯(cuò)

第四章測試

（）referstothatthetwostrainswithlargephenotypicdifferencesweregeneticallyrecombinedbymeansofsexualreproduction,parasexualreproductionandcellfusion,etc.toachievethecombinationofgoodtraitsoftheparentsandobtainnewstrainswithimprovedyieldandquality.

A:Naturalbreeding

B:Hybridbreeding

C:Mutationbreeding

D:Geneticengineeringbreeding

答案:Hybridbreeding

Thedissolvedoxygenofthefermentationsolutioncanbeincreasedby().

A:increasingthepressureofthefermenter

B:allabove

C:fillingthefermentationbrothwithpureoxygen

D:improvingthevolumetricoxygentransfercoefficient

答案:allabove

Thefermentationprocesscanbedividedinto()accordingtothefeedingmethod.

A:continuousfermentation

B:aerobicfermentation

C:batchfermentation

D:batchfed-batchfermentation

答案:continuousfermentation

;batchfermentation

;batchfed-batchfermentation

TheoptimalcombinationofbacteriaforyoghurtproductionisLactobacillusbulgaricusandLactobacillusplantarum.()

A:對B:錯(cuò)

答案:錯(cuò)

Monodequationshowsthatincreasingtheconcentrationoflimitingsubstratecanobviouslyincreasethespecificgrowthrateofcellswhentheconcentrationoflimitingsubstrateishigh.()

A:錯(cuò)B:對

答案:錯(cuò)

第五章測試

Intheprocessofdedifferentiationofplantorgans,tissuesandcellsinvitrotoformcallus,whichofthefollowingconditionsisnotnecessary.()

A:Sufficientlight

B:Suitablenutrientsandhormones

C:Suitabletemperature

D:disinfection

答案:Sufficientlight

Amongthefollowingfouroptions,()doesnotuseplanttissueculturetechnology.()

A:Cultivationoftomato-potatohybridplantsbycellengineering

B:Germinatedseedsorseedlingstreatedwithcolchicinetoobtainpolyploidplants

C:Invitrocultureofantherstoobtainhaploidplants

D:Insect-resistantcottonplantscultivatedbygeneticengineering

答案:Germinatedseedsorseedlingstreatedwithcolchicinetoobtainpolyploidplants

Theplanthormonesthatinduceplanttissuecultureare().（）

A:Auxin

B:Cytokinin

C:Ethylene

D:Gibberellin

答案:Auxin

;Cytokinin

Dedifferentiationinplanttissuecultureistheprocessthatcallusgrowintoalargenumberofidenticalcells.（）

A:對B:錯(cuò)

答案:錯(cuò)

Dedifferentiationandredifferentiationareindispensableforformationofartificialseedsviatissueculture.（）

A:錯(cuò)B:對

答案:錯(cuò)

第六章測試

Thefollowingarenotnecessaryconditionsforanimalcellculture()（）.

A:Suitablelightconditions

B:atmospherecontainingO2andCO2

C:SuitabletemperatureandpH

D:Sterile,non-toxicenvironment

答案:Suitablelightconditions

Eggcellscanbeused().()

A:toformfertilizedeggsforbreedingtransgenicanimals

B:toconductinvitrofertilizationandbreedtest-tubeanimals

C:asmonoclonalantibodyforanimalcellfusionprocess

D:asnuclearreceptorswhencloninganimalcells

答案:toformfertilizedeggsforbreedingtransgenicanimals

;toconductinvitrofertilizationandbreedtest-tubeanimals

;asnuclearreceptorswhencloninganimalcells

Thebasictechnologyofanimalcloningisanimalcellculture.（）