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BIL150 MALLERY EXAM 4 QUESTIONS WITH COMPLETE ANSWERS
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BIL150 MALLERY EXAM 4 QUESTIONS WITH COMPLETE ANSWERS
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BIL150 MALLERY EXAM 4 QUESTIONSWITH COMPLETE ANSWERS
The ddtwo ddpolynucleotide ddchains ddin ddDNA ddare ddheld ddtogether ddprimarily ddby ddH
ddbonds ddbetween ddA ddand ddU ddas ddwell ddas ddbetween ddG ddand ddT?
a. ddTrue
b. ddFalse dd- ddAnswer ddB
(DNA dddoes ddnot ddhave ddUracil, ddit ddhas ddCytosine)
If ddthere ddis dd12% ddof ddA ddin dda ddDNA ddmolecule, ddthen ddthe dd% ddof ddG ddmust
ddbe?
a. dd12%
b. dd30%
c. dd368
d. dd76%
e. ddnone ddof ddthese ddare ddcorrect dd- ddAnswer ddE
(A=T ddand ddC=G, ddA+G/T+C=1)
The ddcatalytic ddmolecule ddresponsible ddfor ddmaking dda ddpeptide ddbond ddduring
ddtranslation dd(protein ddsynthesis) ddin ddcells ddis?
a. ddamino ddsynthase
b. ddribozyme
c. ddrelease ddfactor
d. ddplasmid
e. ddnone ddof ddthese dd- ddAnswer ddB
Which ddof ddthe ddfollowing ddbiotechnology ddprocedures ddwould ddone dduse ddto
ddspecifically ddedit dda ddknown ddsequence ddof ddDNA ddin dda ddgenome?
a. ddpolymerase ddchain ddreaction
,b. ddrestriction ddendonuclease
c. ddCRISPR-Cas9
d. ddreverse ddtranscriptase
e. ddnone ddof ddthese ddis ddcorrect dd- ddAnswer ddC
The ddgenetic ddcode?
a. ddis ddredundant
b. ddis dduniversal
c. ddexhibits dd'wobble'
d. ddis dda ddtriplet ddcodon
e. ddall ddof ddthe ddabove dd- ddAnswer ddE
The ddnumber ddof ddhuman ddprotein ddgenes ddis ddclosest ddto ddwhich ddof ddthe
ddfollowing ddnumbers?
a. dd100,000
b. dd3,000,000
c. dd20,687
d. dd40% ddof ddall ddhuman ddDNA
e. ddnone ddof ddthese dd- ddAnswer ddC
Which ddof ddthe ddfollowing ddprocesses ddis ddNOT ddpart ddof ddthe ddCentral ddDogma?
a. ddtranscription
b. ddtranslation
c. ddsynapsis
d. ddreplication
e. ddall ddof ddthese dd- ddAnswer ddC
(Central ddDogma: ddReplication, ddTranscription, ddTranslation)
The ddenzyme ddthat ddopens/untwists ddDNA ddto ddallow ddfor ddit ddreplication ddby ddDNA
ddpolymerase ddis?
a. ddtopisomerase
b. ddhelicase
c. ddprimase
d. ddDNA ddligase
e. ddbinding ddproteins dd- ddAnswer ddB
(Topoisomerase dd= ddremoves ddsupercoils, ddPrimase dd= ddRNA ddpolymerase, ddDNA
ddligase dd= ddseals dd3' ddopen ddholes, ddBinding ddproteins dd= ddstabilize ddreplication
ddfork)
, Which ddof ddthe ddfollowing ddenzymes ddof ddDNA ddreplication ddis ddactually ddan ddRNA
ddpolymerase?
a. ddtopisomerase
b. ddhelicase
c. ddprimase
d. ddDNA ddligase
e. ddDNA ddpolymerase ddII dd- ddAnswer ddC
(Primase dd= ddRNA ddpolymerase, ddmakes ddRNA ddprimer ddterminus)
Which ddof ddthe ddfollowing ddproduct ddmolecules ddof ddtranscriptions ddis ddcut ddup ddto
ddproduce ddmRNA?
a. ddribsomal ddRNA
b. ddthe ddprimary ddtranscript
c. ddtransfer ddRNA
d. ddmicro ddRNA
e. ddnone ddof ddthese dd- ddAnswer ddB
(Primary ddtranscript dd= ddmRNA, ddintrons ddsplice ddout ddto ddmake dd3 ddpieces)
(Hershey-Chase ddexperiment, ddlabeled ddgenetic ddmolecules ddin ddbacteriophages)
What ddmolecules ddwere ddlabeled ddwith dd32P?
a. ddproteins
b. ddDNA
c. ddribose ddsugars
d. ddkinase ddenzymes
e. ddnone ddof ddthese dd- ddAnswer ddB
(T2 ddDNA ddentered ddthe ddhost ddcell)
(Hershey-Chase ddexperiment, ddlabeled ddgenetic ddmolecules ddin ddbacteriophages)
What ddmolecules ddwere ddlabeled ddwith dd32S?
a. ddproteins
b. ddDNA
c. ddribose ddsugars
d. ddglucose
e. ddnone ddof ddthese dd- ddAnswer ddA
(Protein ddremained ddoutside ddthe ddhost ddcells)
(Hershey-Chase ddexperiment, ddlabeled ddgenetic ddmolecules ddin ddbacteriophages)
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