Portage Learning Biod 171 Microbiology Lecture Exam Key 1-6 All Answers 100% Correct Solution Aid Grade A+ 2024

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 ALL ANSWERS 100% CORRECT SOLUTION AID GRADE A+ Exams 1. Whatare thetwomajortypesof nucleicacids andtheir roles? DNA-deoxyribonucleicacid RNA- Ribonucleic acid DNA-CellularlifehasDNAandarolethatDNAhasislong-termstorageofinformation,itholdsthecharacteristicsofliving organisms. RNA-Isthecarrierofinformationinformofaminoacidsequence.ItconvertstheinformationintheDNAandsynthesizes proteins 1. TrueorFalse:Avirusisconsideredamicroorganism. False.Virusesarenotlivingandassucharenotconsideredmicroorganisms.Virusescan,however,beclassified as microbes, a more general term that includes microorganisms and viruses. 2. Whatisthesmallestbiologicalunitoflife? Acell. 3. Atageneralizedlevel,allcells arecomprisedofwhat? Macromolecules* *Astudentmayalsoanswer:Proteins,Lipids,NucleicacidsandPolysaccharidesbuttheymustanswerwithallfour to be fully correct. 1. Howmanydifferent typesof aminoacidsareavailablefromwhichtomake proteins? 20 2. Defineanessentialamino acid. Anessentialaminoacidcannotbeproducedbythehumanbodyandassuchmustbetakeinfromtheenvironment through alternative sources (i.e) food.Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 ALL ANSWERS 100% CORRECT SOLUTION AID GRADE A+ 1. Theplasmamembrane (selectallthataretrue): A. Restrictsmovement of materialsinandoutof thecell B. Isoftenatriplelayercomprisedof lipids C. Preventsessentialnutrientsfromescaping D. Containshydrophobictailspointingoutward Aand C 2. Howmanycarbonatomsarepresent inthemonosaccharideglucose? A. 1 B. 3 C. 6 D. 12 C.ThemolecularformulaofGlucoseis C6H12O6 TrueofFalse:Thegeneticmaterialwithinaprokaryoticcelliscontainedwithinamembrane-enclosedregion. False.Onlyeukaryoticcellscontainitsgeneticmaterialwithina nucleus TrueorFalse:ProkaryoticcellscanbesubdividedintoBacteriaandArchaea. True 1. CompletethefollowingDNAstrandandindicatehowmanybondsareformedforeachcomplementary pair: 3GGTCATCG 5 5 CC AGC 3 3GGTCATCG5 5CCAGTAGC3 Thereare2bondsformedbetweenAandT,and3bondsbetweenGandC.Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 ALL ANSWERS 100% CORRECT SOLUTION AID GRADE A+ TrueorFalse:Archaeais notedforitsabilitytosurviveunder harsh conditions. True.Archaeacanoftenbefoundinharshconditionssuchashighsaltlevels,highacidconditions,high temperatures and even oxygen-poor conditions. 1. WhichofthefollowingmicroorganismsareconsideredtobeEukarya?Selectallthatapply. A. Animalia B. Plantae C. Fungi D. Protista A,B,C,D 2. TrueofFalse:AllmulticellularmicroorganismsclassifiedasAnimaliaareheterotrophic. True 3. MicroorganismsclassifiedasPlantaeobtainmostoftheirenergybyconverting energy into energy. Light(sunlight);chemical(sugars) 1. Adefiningcharacteristicoffungiisthepresenceofchitininthecellwalls.Whichoffollowingalsocontainchitin?Selectall that apply. A. Mushrooms B. Bacteria C. Yeast D. Molds A,CandDallcontainchitin. 2. TrueorFalse:AdefiningcharacteristicofProtistaistheinabilityofcoloniestoformtissue layers. True. Describethe4basic