A) Sidney Fox
B) Thomas Cech
C) Cairns Smith
D) Sidney Altman
Correct Answer: A
Solution :
The protein first hypothesis is given by Sidney Fox. He has shown that amino acid polymerise abiotically when exposed to dry heat to form proteinoids with catalystic properties. Proteinoid on contact with water form microsphere. Microsphere, which are composed only of protein have a number of cellular characteristies and could have evolved into the proto cell. Thomas Cech and Sidney Altman given the RNA first hypothesis.
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