Podcast
Questions and Answers
Which scientist showed the amounts of the four bases on DNA (A,T,C,G) and provided evidence of molecular diversity among species?
Which scientist showed the amounts of the four bases on DNA (A,T,C,G) and provided evidence of molecular diversity among species?
- Rosalind Franklin
- Hershey and Chase
- Erwin Chargaff (correct)
- Fred Griffith
What must Adenine pair with according to Chargaff's Rule?
What must Adenine pair with according to Chargaff's Rule?
- Guanine
- Uracil
- Cytosine
- Thymine (correct)
Who provided crucial X-ray crystallography images that aided in determining the double helix structure of DNA?
Who provided crucial X-ray crystallography images that aided in determining the double helix structure of DNA?
- Hershey and Chase
- Rosalind Franklin (correct)
- Fred Griffith
- Erwin Chargaff
In DNA, what must Guanine pair with?
In DNA, what must Guanine pair with?
What is the directionality of DNA, meaning the orientation of its strands?
What is the directionality of DNA, meaning the orientation of its strands?
What forms the backbone of the DNA molecule?
What forms the backbone of the DNA molecule?
Which enzyme is responsible for maintaining the length of telomeres by adding guanine-rich repetitive sequences?
Which enzyme is responsible for maintaining the length of telomeres by adding guanine-rich repetitive sequences?
In which cells is telomerase typically exhibited?
In which cells is telomerase typically exhibited?
Which species has a repeat sequence of TTTAGGG in its telomeres?
Which species has a repeat sequence of TTTAGGG in its telomeres?
Which of the following organisms has TAGGG as the repeat sequence in its telomeres?
Which of the following organisms has TAGGG as the repeat sequence in its telomeres?
What is the function of telomerase regarding telomeres?
What is the function of telomerase regarding telomeres?
Which enzyme is primarily involved in unwinding the DNA double helix during replication?
Which enzyme is primarily involved in unwinding the DNA double helix during replication?
Who took diffraction x-ray photographs of DNA crystals in the 1950s?
Who took diffraction x-ray photographs of DNA crystals in the 1950s?
Which scientist built the first model of DNA using Rosalind Franklin's x-rays?
Which scientist built the first model of DNA using Rosalind Franklin's x-rays?
What did Watson & Crick's model of DNA reveal about the genetic material?
What did Watson & Crick's model of DNA reveal about the genetic material?
Which carbons need to be numbered in DNA nucleotides to indicate directionality?
Which carbons need to be numbered in DNA nucleotides to indicate directionality?
What type of bonds form between nucleotides in the DNA backbone?
What type of bonds form between nucleotides in the DNA backbone?
Which rule states that in DNA, the amount of adenine equals the amount of thymine, and the amount of cytosine equals the amount of guanine?
Which rule states that in DNA, the amount of adenine equals the amount of thymine, and the amount of cytosine equals the amount of guanine?
