Multiple Choice
Before Watson and Crick built their DNA model, the American chemist and Nobel laureate Linus Pauling proposed a triple-helix model for DNA.What evidence convinced Watson and Crick to reject this model for the double-helix model?
A) Franklin's X-ray crystallography
B) Chargaff's observations of base pairing
C) Avery's studies of DNA as the transforming agent
D) The Hershey and Chase blender experiment
E) Studies examining the stability of DNA
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Meselson and Stahl used heavy nitrogen (<sup>15</sup>N)
Q2: The molecules that function to replicate DNA
Q3: Mutations are<br>A) permanent changes in DNA.<br>B) changes
Q4: If a G-T base pair is found
Q6: If the proportion of C in a
Q7: What structural aspect of the DNA facilitates
Q8: Which material serves as the template in
Q9: An automated process that makes multiple copies
Q10: Refer to the figure, which shows double-stranded
Q11: Refer to the chemical formula of dideoxycytidine.