Amino acids prior to their incorporation into polypeptide must be att – McqOptions

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1.	Amino acids prior to their incorporation into polypeptide must be attached to a special adaptor molecule. Who proved this and when?
A.	Francis H. Crick in 1955
B.	Paul C. Zamecnic and Maholon B. Hoagland in 1957
C.	James Watson and Francis H. Crick in 1953
D.	Linus Pauling in 1950
Answer» C. James Watson and Francis H. Crick in 1953

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