Using data about the relative amounts of bases, which conclusion did Watson and Crick make about the structure of DNA?
Answer

A. The hydrogen bonds pull the DNA into a double helical shape.

B. Phosphate groups hydrogen bond to form a double helix.

C. Deoxyribose and ribose make up the backbone of the molecule.

D. Nitrogenous bases bond based on the placement of the phosphate.

E. Adenine bonds to thymine and guanine bonds to cytosine.

Question

Using data about the relative amounts of bases, which conclusion did Watson and Crick make about the structure of DNA?
Answer 
 
	A. The hydrogen bonds pull the DNA into a double helical shape.
 
	B. Phosphate groups hydrogen bond to form a double helix.
 
	C. Deoxyribose and ribose make up the backbone of the molecule.
 
	D. Nitrogenous bases bond based on the placement of the phosphate.
 
	E. Adenine bonds to thymine and guanine bonds to cytosine.

anonymous · Answer

do u know anything about chargaff rule ???

anonymous · Answer

Not at all!

anonymous · Answer

it states that number of purine bases = number of pyrimidine bases

that is adenine  always pairs with thymine

guanine always pairs with cytosine

anonymous · Answer

I believe that it is B.  I read about their research and a lot of their time was spent researching what made the DNA into a double helix.  At the end, their discovery of the role of hydrogen bonds was vital to DNA structure information.  Is that right?