Podcast
Questions and Answers
What is the primary function of DNA polymerase I in E. coli?
What is the primary function of DNA polymerase I in E. coli?
- To proofread and correct errors during DNA synthesis
- To synthesize new DNA strands in the 3'->5' direction
- To remove RNA primers during DNA replication (correct)
- To repair damaged DNA
Which DNA polymerase in E. coli is responsible for the bulk of DNA replication?
Which DNA polymerase in E. coli is responsible for the bulk of DNA replication?
- DNA polymerase II
- DNA polymerase III (correct)
- DNA polymerase I
- DNA polymerase IV
What is the primary function of DNA polymerase IV in E. coli?
What is the primary function of DNA polymerase IV in E. coli?
- To remove RNA primers during DNA replication
- To participate in DNA repair processes (correct)
- To replicate DNA during normal cell division
- To proofread and correct errors during DNA synthesis
Which DNA polymerase in E. coli has 3'->5' exonuclease (proofreading) activity?
Which DNA polymerase in E. coli has 3'->5' exonuclease (proofreading) activity?
What is the role of the $\epsilon$ (dnaQ) subunit in the E. coli DNA polymerase III holoenzyme?
What is the role of the $\epsilon$ (dnaQ) subunit in the E. coli DNA polymerase III holoenzyme?
Which DNA polymerase in E. coli is primarily responsible for DNA repair processes?
Which DNA polymerase in E. coli is primarily responsible for DNA repair processes?
Which pathway enables most organisms to synthesize nucleotides from nucleosides or bases available through diet or degradation of nucleic acids?
Which pathway enables most organisms to synthesize nucleotides from nucleosides or bases available through diet or degradation of nucleic acids?
In animals, which route provides the major source of bases for nucleotide synthesis?
In animals, which route provides the major source of bases for nucleotide synthesis?
Which enzyme is involved in the de novo pathway of Pyrimidine Biosynthesis?
Which enzyme is involved in the de novo pathway of Pyrimidine Biosynthesis?
What is the key function of DHO dehydrogenase in nucleotide biosynthesis?
What is the key function of DHO dehydrogenase in nucleotide biosynthesis?
Which enzyme catalyzes the formation of Carbamoyl phosphate in the de novo pathway of Pyrimidine Biosynthesis?
Which enzyme catalyzes the formation of Carbamoyl phosphate in the de novo pathway of Pyrimidine Biosynthesis?
What is the primary difference between de novo and salvage pathways in nucleotide biosynthesis?
What is the primary difference between de novo and salvage pathways in nucleotide biosynthesis?
