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DNA polymerase: Quiz

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More interesting facts on DNA polymerase

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Question 1: The eukaryotic polymerases are usually restricted to ________.
PrimaseRNA polymeraseReverse transcriptaseTelomerase

Question 2: The yeast ________ has only one Pol X polymerase, Pol4, which is involved in non-homologous end-joining.
ProteinSaccharomyces cerevisiaeFungusAscomycota

Question 3: All known examples are found in the ________ subdomain of Archaea and are thought to be replicative polymerases.
HalobacteriaEuryarchaeotaMethanobacteriaCrenarchaeota

Question 4: DNA polymerases use a ________ ion for catalytic activity.
CalciumIronAluminiumMagnesium

Question 5: ________ encode an unusual DNA polymerase called reverse transcriptase, which is an RNA-dependent DNA polymerase (RdDp).
Virus diseaseHerpesviridaeRetrovirusAdenoviridae

Question 6: Pol β is required for short-patch ________, a DNA repair pathway that is essential for repairing abasic sites.
DNA glycosylaseDNA replicationBase excision repairHomologous recombination

Question 7: A DNA polymerase is an enzyme that catalyzes the polymerization of deoxyribonucleotides into a ________ strand.
ProteinGeneRNADNA

Question 8: TdT is expressed only in lymphoid tissue, and adds "n nucleotides" to double-strand breaks formed during ________ to promote immunological diversity.
Immune systemB cellV(D)J recombinationAntibody

Question 9: Primers consist of ________ and DNA bases with the first two bases always being RNA, and are synthesized by another enzyme called primase.
Small interfering RNARNANon-coding RNAMessenger RNA

Question 10: Pol λ and Pol μ are involved in ________, a mechanism for rejoining DNA double-strand breaks.
Non-homologous end joiningDNA polymerase muHomologous recombinationImmune system







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