NEET Biology question

Biology Molecular Basis of Inheritance NEET

The biochemical nature of the substance responsible for Griffith's transformation was first determined by I. Oswald Avery II. Colin MacLeod III. Maclyn McCarty IV. Griffith V. Alfred Hershey VI. Martha Chase

(A)I, II and IIICorrect
(B)IV, V and VI
(C)II, III and IV
(D)I, V and VI

Answer: (A)

Solution

Oswald Avery, Colin MacLeod and Maclyn McCarty (1933-44) biochemically purified the components of heat-killed S-type bacteria and showed that only the DNA fraction (and not proteins or RNA) could transform R-type bacteria into S-type, thereby identifying DNA as the chemical

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Question ID VK-120670