What are the implications of variation in RNA replication fidelity in organisms with an RNA Genome?
What are the implications of variation in RNA replication fidelity in organisms with an RNA Genome?
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What are the implications of variation in RNA replication fidelity in organisms with an RNA Genome?
1. Which of the following is more error prone? A) human genome replication b) RNA viral...
1. Which of the following is more error prone? A) human genome replication b) RNA viral genome replication c) DNA viral genome replication d) Canine genome replication e) the genetic diversity of virus 2. Which is Not a level of control for viral gene expression? A) Configuration of viral DNA or RNA b) At transcription c) at regeneration d) mRNA half-life e) at translation 3) which of the following defines the Baltimore scheme? A) a chart of DNA transcription mechanisms...
The process of DNA replication yields two identical DNA molecules from a single double-stranded molecule. Cellular proof-reading and error-checking mechanisms ensure nearly perfect fidelity of the DNA...
The process of DNA replication yields two identical DNA molecules from a single double-stranded molecule. Cellular proof-reading and error-checking mechanisms ensure nearly perfect fidelity of the DNA copies. However, RNA viruses lack replication error-checking mechanisms, and thus have higher rates of genetic variation. Discuss the importance of error-checking mechanisms during replication and how in the absence of these mechanisms genetic variation is introduced.
Previously it was thought that RNA virus replication took place in the solube portion of the...
Previously it was thought that RNA virus replication took place in the solube portion of the cytoplasm of cells. We now know that this is not the case and that the replication complexes are located on specific structures in host cells. Briefly EXPLAIN what structure or structures in the cell are involved and how viruses use them to replicate their RNA genome.
Rabies has a — strand (antisense) RNA for its genome. Describe biosynthesis of this virus including...
Rabies has a — strand (antisense) RNA for its genome. Describe biosynthesis of this virus including genome replication and protein production.
Question 15. The genome of the bacteriophage Qb consists of about 4000 nucleotides of single-stranded RNA....
Question 15. The genome of the bacteriophage Qb consists of about 4000 nucleotides of single-stranded RNA. Inside the E. coli host, replication of this genome requires a RNA-dependent RNA polymerase made up of phage and bacterial proteins. Interestingly, the replicase binds to a region in the center of the RNA genome, yet must start copying the 3 0 end of the RNA template to produce a new strand of RNA in the 5 0 to 3 0 direction. Researchers hypothesized...
The process of DNA replication yields two identical DNA molecules from a single double-stranded molecule. Cellular...
The process of DNA replication yields two identical DNA molecules from a single double-stranded molecule. Cellular proof-reading and error-checking mechanisms ensure nearly perfect fidelity of the DNA copies. However, RNA viruses lack replication error-checking mechanisms, and thus have higher rates of genetic variation. Discuss the importance of error-checking mechanisms during replication and how in the absence of these mechanisms genetic variation is introduced.
Which of the following statements in NOT true about DNA replication? DNA replication involves synthesis of...
Which of the following statements in NOT true about DNA replication? DNA replication involves synthesis of multiple RNA primers DNA ligase is needed for successful DNA replication DNA replication requires deoxyribonucleotide triphosphates High fidelity of DNA replication is ensured by 5-3' exonuclease activity of DNA polymerase High fidelity of DNA replication is ensured by 3-5' exonuclease activity of DNA polymerases Next
Which of the following statements in NOT true about DNA replication? DNA replication involves synthesis of...
Which of the following statements in NOT true about DNA replication? DNA replication involves synthesis of multiple RNA primers DNA ligase is needed for successful DNA replication DNA replication requires deoxyribonucleotide triphosphates High fidelity of DNA replication is ensured by 5-3 exonuclease activity of DNA polymerase High fidelity of DNA replication is ensured by 3-5' exonuclease activity of DNA polymerases Next
Select all the processes that make the proteome more complex than the genome. RNA editing genome...
Select all the processes that make the proteome more complex than the genome. RNA editing genome replication peptide bond formation alternative splicing What statement best explains an additional reason for the complexity of the proteome? O Covalent modifications of DNA, such as methylation, increase proteome complexity by altering translation by the ribosome. The ability of ribosomes to translate mRNA in either the 5' to 3' or the 3' to 5' direction increases proteome complexity. The diversity of amino acids increases...
explain how viral genome composition affects its replication cycle? for example dsDNA replicated differently than ss...
explain how viral genome composition affects its replication cycle? for example dsDNA replicated differently than ss + sense RNA
Which of the following statements in NOT true about DNA replication? DNA replication involves synthesis of multiple RNA primers DNA ligase is needed for successful DNA replication DNA replication requires deoxyribonucleotide triphosphates High fidelity of DNA replication is ensured by 5-3' exonuclease activity of DNA polymerase High fidelity of DNA replication is ensured by 3-5' exonuclease activity of DNA polymerases Next
Which of the following statements in NOT true about DNA replication? DNA replication involves synthesis of multiple RNA primers DNA ligase is needed for successful DNA replication DNA replication requires deoxyribonucleotide triphosphates High fidelity of DNA replication is ensured by 5-3 exonuclease activity of DNA polymerase High fidelity of DNA replication is ensured by 3-5' exonuclease activity of DNA polymerases Next
Select all the processes that make the proteome more complex than the genome. RNA editing genome replication peptide bond formation alternative splicing What statement best explains an additional reason for the complexity of the proteome? O Covalent modifications of DNA, such as methylation, increase proteome complexity by altering translation by the ribosome. The ability of ribosomes to translate mRNA in either the 5' to 3' or the 3' to 5' direction increases proteome complexity. The diversity of amino acids increases...
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