Podcast
Questions and Answers
What type of bond links nucleotides in a DNA strand?
What type of bond links nucleotides in a DNA strand?
- Van der Waals bond
- Covalent bond (correct)
- Hydrogen bond
- Ionic bond
In the Watson-Crick double helix model, what is the diameter of the DNA helix?
In the Watson-Crick double helix model, what is the diameter of the DNA helix?
- 20 Å (correct)
- 30 Å
- 40 Å
- 10 Å
Who played a significant role in solving the X-ray diffraction pattern of DNA, leading to the Watson-Crick double helix model?
Who played a significant role in solving the X-ray diffraction pattern of DNA, leading to the Watson-Crick double helix model?
- Linus Pauling
- Gregor Mendel
- Rosalind Franklin (correct)
- Erwin Chargaff
What is the spacing between repeating units in the DNA helix according to the Watson-Crick model?
What is the spacing between repeating units in the DNA helix according to the Watson-Crick model?
Which of the following nitrogenous bases is NOT found in DNA?
Which of the following nitrogenous bases is NOT found in DNA?
What is the significance of the Watson and Crick Double Helix Model of DNA?
What is the significance of the Watson and Crick Double Helix Model of DNA?
Which statement best describes the DNA as per the Watson and Crick Double Helix Model?
Which statement best describes the DNA as per the Watson and Crick Double Helix Model?
What did the blender experiments of Hershey and Chase reveal about DNA's function?
What did the blender experiments of Hershey and Chase reveal about DNA's function?
Which component of a nucleotide is responsible for forming the backbone of the DNA double helix?
Which component of a nucleotide is responsible for forming the backbone of the DNA double helix?
In the context of DNA structure, what do X-ray diffraction patterns reveal?
In the context of DNA structure, what do X-ray diffraction patterns reveal?
What did Avery and his colleagues demonstrate through bacterial transformation?
What did Avery and his colleagues demonstrate through bacterial transformation?
What did the Hershey-Chase Waring blender experiment aim to confirm?
What did the Hershey-Chase Waring blender experiment aim to confirm?
In the Watson-Crick model of DNA structure, what does 'antiparallel polarity' refer to?
In the Watson-Crick model of DNA structure, what does 'antiparallel polarity' refer to?
What was the key result of the phages labeled with radioactive DNA or protein experiment?
What was the key result of the phages labeled with radioactive DNA or protein experiment?
What are the two chemically distinct ends of a DNA polymer called?
What are the two chemically distinct ends of a DNA polymer called?
What do X-ray diffraction patterns help determine about DNA?
What do X-ray diffraction patterns help determine about DNA?
Which elements are part of a nucleotide in DNA?
Which elements are part of a nucleotide in DNA?
