From the DNA X-ray crystallography data, Franklin and Wilkins inferred that ____ while Watson and Crick
determined that ____.
a. purines and pyrimidines exist in a 1:1 ratio; DNA is helical
b. phosphates are stacked liked rungs on a ladder; DNA is helical
c. DNA is helical; DNA is the genetic material
d. DNA is helical; the flat nucleotide bases are stacked upon each other
e. the flat nucleotide bases are stacked upon each other; DNA is helical.
e
You might also like to view...
What is the organelle that runs photosynthesis?
a. Chloroplast b. Golgi body c. Rough endoplasmic reticulum d. Mitochondria e. Lysosome
Which of the following is NOT found in every nucleic acid?
a. ribose b. phosphate group c. purine d. pyrimidine e. uracil
Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine. After losing the electron, Na has ________ protons in its nucleus
A) 11 B) 10 C) 22 D) 21 E) 12
A lichen results from the mutualistic relationship between fungi and which of the following?
A) cyanobacteria or algae B) green plants C) heterotrophic bacteria D) protozoans