Podcast
Questions and Answers
What was the significance of Frederick Griffith's experiment in 1928?
What was the significance of Frederick Griffith's experiment in 1928?
- Demonstrated the transformation principle where traits could be passed between bacteria (correct)
- Proved the connection between genes and chromosomes
- Provided evidence that viruses are made up mostly of nucleic acids and proteins
- Showed that DNA is the genetic material of T2 phages
What did Alfred Hershey and Martha Chase show in their 1952 experiment?
What did Alfred Hershey and Martha Chase show in their 1952 experiment?
- Proteins are responsible for genetic inheritance
- Sulfur is found in phage DNA
- RNA is more abundant in viruses than DNA
- DNA is the genetic material of T2 phages (correct)
In the viral studies discussed, what is the role of bacteriophages in cells?
In the viral studies discussed, what is the role of bacteriophages in cells?
- Infect cells and take over their metabolism for reproduction (correct)
- Maintain cellular homeostasis
- Regulate cell division
- Produce new cells
What did Thomas Hunt Morgan show in 1911 regarding genes and chromosomes?
What did Thomas Hunt Morgan show in 1911 regarding genes and chromosomes?
What did the experiment with Radioactive sulfur (35S) in phage protein demonstrate?
What did the experiment with Radioactive sulfur (35S) in phage protein demonstrate?
How did living S cells and R cells react in Griffith's experiment when mixed together?
How did living S cells and R cells react in Griffith's experiment when mixed together?
What did Erwin Chargaff's 1950 report on DNA composition reveal?
What did Erwin Chargaff's 1950 report on DNA composition reveal?
Which pair of nucleotides form hydrogen bonds with each other in DNA?
Which pair of nucleotides form hydrogen bonds with each other in DNA?
What did the experiments by Matthew Meselson and Franklin Stahl support regarding DNA replication?
What did the experiments by Matthew Meselson and Franklin Stahl support regarding DNA replication?
Which statement accurately describes DNA replication?
Which statement accurately describes DNA replication?
What is a key feature of DNA that made it a credible candidate as genetic material?
What is a key feature of DNA that made it a credible candidate as genetic material?
How many origins of replication can eukaryotic chromosomes have?
How many origins of replication can eukaryotic chromosomes have?
During transcription, how does RNA polymerase move along the DNA?
During transcription, how does RNA polymerase move along the DNA?
In eukaryotes, at what rate does RNA polymerase progress during transcription?
In eukaryotes, at what rate does RNA polymerase progress during transcription?
What happens during the termination of transcription in bacteria?
What happens during the termination of transcription in bacteria?
What is the function of ribozymes in RNA processing?
What is the function of ribozymes in RNA processing?
What is the role of introns and exons in RNA splicing?
What is the role of introns and exons in RNA splicing?
What is added to the 5' end of mRNA during eukaryotic modification of RNA?
What is added to the 5' end of mRNA during eukaryotic modification of RNA?
Which structure is responsible for removing introns during RNA processing?
Which structure is responsible for removing introns during RNA processing?
How do alterations at the ends of mRNA molecules help in cellular processes?
How do alterations at the ends of mRNA molecules help in cellular processes?
What is the primary purpose of polyadenylation in mRNA processing?
What is the primary purpose of polyadenylation in mRNA processing?
Flashcards are hidden until you start studying
