BSC 108 Exam -3 – Questions & Solutions (100-)

Bsc 108 Exam #3 – Questions & Solutions (100%)
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1. DNA bgvs bgRNA:bgDNA:bgdeoxyribose bgsugar, bgthymine, bgdouble
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bgstrand bgRNA: bgribose bgsugar, bguracil, bgsingle bgstrand
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2. 4 bgnucleotides bgin bgDNA:bgAdenine,bgThymine, bgGuanine, bgCytosine
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3. 4 bgnucleotides bgin bgRNA: bgadenine, bgguanine, bgcytosine, bguracil
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4. How bgdo bgthe bgbases bgpair bgin bgDNA?: bgA bggoes bgwithbgT bgand bgC bggoes bgwith bgG
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5. How bgdo bgbases bgpair bgin bgRNA?:bgA bggoes bgwith bgU bgand bgC bggoes bgwith bgG
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6. Mutation: bga bgrandom bgerror bgin bggene bgreplication bgthat bgleads bgto bga bgchange
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7. What bgis bgthe bgfull bgname bgof bgDNA?: bgDeoxyribose bgNucleic bgAcid
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8. What bgis bgthe bgfull bgname bgof bgRNA?: bgribonucleic bgacid
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9. double bghelix bglabeled: b b




10. how bgcan bga bgmutation bgbe bggood:bgThey bglead bgto bgnew bgversions bgof
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bgproteins bgthat bghelp bgorganisms bgadapt bgto bgchanges bgin bgtheir bgenvironment
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11. how bgcan bga bgmutation bgbe bgbad:bgmay bgcause bggenetic bgdisorders bgor bgcancer
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12. how bgcan bga bgmutation bghave bgno bgeffect:bgdifferent bgbase bgin bgcodon bgmay
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bgstill bgcode bgfor bgthe bgsame bgamino bgacid bg(silent bgmutation)
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wobble bg- bgflexibility bgfor bgdifferent bgnucleotide bgbut bgsame bgamino bgacid
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, 13. James bgCrick bgand bgFrancisbgWatson:bgDiscover bgbasic bgstructure bgof bgDNA bg-
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bgdouble bghelix, bgNobel bgpeace bgprize
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14. Rosalind bgFranklin:bgWoman bgwho bggenerated bgx-ray bgimages bgofbgDNA, bgshe
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bgprovided bgWatson bgand bgCrick bgwith bgkey bgdata bgabout bgDNA
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15. DNA bgreplication:bgThe bgprocess bgin bgwhich bgDNA bgmakes bga bgduplicate bgcopy bg
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bgitself.
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16. Transcription:bg(genetics) bgthe bgorganic bgprocess bgwhereby bgthe bgDNA
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bgsequence bgin bga bggene bgis bgcopied bginto bgmRNA
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17. Translation:bgProcess bgby bgwhich bgmRNA bgis bgdecoded bgand bga bgprotein bgis
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bgproduced
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18. Where bgdoes bgDNA bgreplication bgoccur?: bgnucleus bgof bga bgcell
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19. Where bgdoes bgtranscription bgoccur?: bgnucleus
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20. Where bgdoes bgtranslation bgoccur?: bgribosomes bgin bgthe bgcytoplasm
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21. how bgcan bga bgmutation bgin bgthe bgdna bgresult bgin bga bgprotein bgnot
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bgfunctioning bgcorrect- bgly?: bgWhen bgthe bgmutated bgsequence bgis bgtranslated bginto bga
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bgprotein, bgthe bgresulting bgprotein bgis bgincomplete bgand bgshorter bgthan bgnormal.
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22. Mutagen:bgA bgchemical bgor bgphysical bgagent bgthat bginteracts bgwith bgDNA bgand
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bgcauses bga bgmutation.
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23. mutagen bgexamples:bgx bgrays, bguv bgrays
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