Podcast
Play an AI-generated podcast conversation about this lesson
Questions and Answers
What did Watson and Crick deduce from the width of the DNA helix?
What did Watson and Crick deduce from the width of the DNA helix?
- DNA is present in the nucleus of all cells
- DNA was made up of two strands forming a double helix (correct)
- DNA was coiled around proteins called histones
- DNA controls all the chemical changes in cells
Who was responsible for the X-ray diffraction photograph of DNA that enabled Watson to deduce the helical structure of DNA?
Who was responsible for the X-ray diffraction photograph of DNA that enabled Watson to deduce the helical structure of DNA?
- Histones
- Watson
- Crick
- Rosalind Franklin (correct)
What did Franklin conclude about the sugar-phosphate backbones of DNA?
What did Franklin conclude about the sugar-phosphate backbones of DNA?
- There were two antiparallel sugar-phosphate backbones (correct)
- The backbones paired like with like (A with A, and so on)
- The backbones consisted of basic amino acids
- The backbones were coiled around histones
What did pairing a purine with a pyrimidine result in, according to Watson and Crick?
What did pairing a purine with a pyrimidine result in, according to Watson and Crick?
Signup and view all the answers
Where is DNA present in living organisms?
Where is DNA present in living organisms?
Signup and view all the answers
