1) Albert Kossel used X-ray diffraction to examine the structure of DNA determin

Question

1) Albert Kossel used X-ray diffraction to examine the structure of DNA determined that DNA contains four different nitrogenous bases found that "the transforming principle" is destroyed by enzymes that hydrolyze DNA found that the phosphorus-containing components are the genetic material of phages discovered "the transforming principle" that could genetically alter bacteria a) b) c) d) e) 2) Fred Griffith a) used X-ray diffraction to examine the structure of DNA b) determined that DNA contains four different nitrogenous bases c) found that "the transforming principle" is destroyed by enzymes that hydrolyze DNA d) found that the phosphorus-containing components are the genetic material of phages e) discovered "the transforming principle" that could genetically alter bacteria 3) Oswald Avery a) used X-ray diffraction to examine the structure of DNA b) determined that DNA contains four different nitrogenous bases c) found that "the transforming principle" is destroyed by enzymes that hydrolyze DNA d) found that the phosphorus-containing components are the genetic material of phages e) discovered"the transforming principle" that could genetically alter bacteria 4) Rosalind Franklin a) b) c) d) e) used X-ray diffraction to examine the structure of DNA determined that DNA contains four different nitrogenous bases found that "the transforming principle" is destroyed by enzymes that hydrolyze DNA found that the phosphorus-containing components are the genetic material of phages discovered "the transforming principle" that could genetically alter bacteria

Explanation / Answer

1)b) determined that DNA contains 4 different nitrogenous bases

Also conducted important research into the composition of proteins and he also discovered polypeptide nature of protein molecule

2)e) discovered the transforming principle that could genetically alter bacteria

It suggested that bacteria are capable of transferring genetic information by the process of transformation

3)c) found that transforming principle is destroyed by enzymes that hydrolyzed DNA

Restriction enzymes hydrolyze the DNA molecule except phosphoryl group

4)a) used X- ray diffraction to examine the structure of DNA

Also provided contributions towards the structure of DNA ,viruses , coal and granite

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