BIOLOGY 1001 EXAM 3 LSU DR. NITA EXAM
QUESTIONS WITH 100% CORRECT ANSWERS
Nucleiciacidsiarei?i-i ANSWERiMacromolecules
Whatiareitheitwoinaturallyioccurringinucleiciacids?i-i ANSWERiDNAiandiRNA
DNAiinieukaryotesi-i ANSWERi-iInitheinucleusiofieukaryoticicells
-lineariandilongichromosomaliDNA
-iInimitochondria/chloroplast
-circulariextra-chromosomaliDNA
DNAiiniprokaryotesi-i ANSWERi-iInitheinucleoidiofiprokaryoticicells
-iSmalleriandicirculariChromosomaliDNA
Inicytoplasm
Circulariextra-chromosomaliDNA,ii.e.iplasmidiDNA
Initheicentralidogma,iDNAitranscribesitoimRNAiwithitheihelpiof
?i-i ANSWERiRNAipolymeraseienzymes
Initheicentralidogma,iRNAitranslatesitoiwithitheihelpiof
ribosomesianditRNA-aai-i ANSWERiproteins
DNAiandiRNAiarei-i ANSWERipolymersiofinucleotides
Whatiareithei3ipartsiofiainucleotide?i-i ANSWERinitrogenibase,iaifive-
icarbonisugar,iandiaiphosphate
Ainitrogenicontainingiairingistructureiisicallediai-i ANSWERinitrogenousibase
, theioneiringistructureiwithiniainitrogenousibaseiisicallediai-
i ANSWERiPyrimidine
theitwoiringistructureiwithiniainitrogenousibaseiisicalledi-i ANSWERiPurines
Whatinitrogenousibasesiareiderivedifromipyrimidine?i-i ANSWERi-cytosine
-thymine
-uracil
Whatinitrogenousibasesiareiderivedifromipurines?i-i ANSWERi-adenine
-Guanine
WhatinitrogenousibasesidoesiDNAiuses?i-
i ANSWERiadenine,ithymine,iguanine,iandicytosine
WhatinitrogenousibasesidoesiRNAiuses?i-
i ANSWERiRNAiusesiadenine,iguanine,iandicytosineibutihasiuraciliinsteadiofit
hymine.
knowitheifiveicarbonipentoseistructurei-i ANSWER
listitheidifferentiphosphateigroupsi-i ANSWERi-i1iphospate=imonophospate
-2iphosphates=idiphosphate
-3iphosphates=itriphosphate
WhatiareitheiDNAinucleosideitriphosphate?
iandiwhatiareitheyiknowsiasitogether?i-i ANSWERi1.)
dATP
dGTP
dCTP
dTTP
2.)itogetheriweicalliitiasidNTP
WhatiareitheiRNAinucleosideitriphosphate?
iandiwhatiareitheyiknowsiasitogether?i-i ANSWERi1.)
rATP
rGTP
rCTP
rTTP
QUESTIONS WITH 100% CORRECT ANSWERS
Nucleiciacidsiarei?i-i ANSWERiMacromolecules
Whatiareitheitwoinaturallyioccurringinucleiciacids?i-i ANSWERiDNAiandiRNA
DNAiinieukaryotesi-i ANSWERi-iInitheinucleusiofieukaryoticicells
-lineariandilongichromosomaliDNA
-iInimitochondria/chloroplast
-circulariextra-chromosomaliDNA
DNAiiniprokaryotesi-i ANSWERi-iInitheinucleoidiofiprokaryoticicells
-iSmalleriandicirculariChromosomaliDNA
Inicytoplasm
Circulariextra-chromosomaliDNA,ii.e.iplasmidiDNA
Initheicentralidogma,iDNAitranscribesitoimRNAiwithitheihelpiof
?i-i ANSWERiRNAipolymeraseienzymes
Initheicentralidogma,iRNAitranslatesitoiwithitheihelpiof
ribosomesianditRNA-aai-i ANSWERiproteins
DNAiandiRNAiarei-i ANSWERipolymersiofinucleotides
Whatiareithei3ipartsiofiainucleotide?i-i ANSWERinitrogenibase,iaifive-
icarbonisugar,iandiaiphosphate
Ainitrogenicontainingiairingistructureiisicallediai-i ANSWERinitrogenousibase
, theioneiringistructureiwithiniainitrogenousibaseiisicallediai-
i ANSWERiPyrimidine
theitwoiringistructureiwithiniainitrogenousibaseiisicalledi-i ANSWERiPurines
Whatinitrogenousibasesiareiderivedifromipyrimidine?i-i ANSWERi-cytosine
-thymine
-uracil
Whatinitrogenousibasesiareiderivedifromipurines?i-i ANSWERi-adenine
-Guanine
WhatinitrogenousibasesidoesiDNAiuses?i-
i ANSWERiadenine,ithymine,iguanine,iandicytosine
WhatinitrogenousibasesidoesiRNAiuses?i-
i ANSWERiRNAiusesiadenine,iguanine,iandicytosineibutihasiuraciliinsteadiofit
hymine.
knowitheifiveicarbonipentoseistructurei-i ANSWER
listitheidifferentiphosphateigroupsi-i ANSWERi-i1iphospate=imonophospate
-2iphosphates=idiphosphate
-3iphosphates=itriphosphate
WhatiareitheiDNAinucleosideitriphosphate?
iandiwhatiareitheyiknowsiasitogether?i-i ANSWERi1.)
dATP
dGTP
dCTP
dTTP
2.)itogetheriweicalliitiasidNTP
WhatiareitheiRNAinucleosideitriphosphate?
iandiwhatiareitheyiknowsiasitogether?i-i ANSWERi1.)
rATP
rGTP
rCTP
rTTP
