Q. A. The first molecules formed for replicating cells were most probably RNA.R. This was proved by origin of ribozyme in 1987 by T. Cech in Tetrahymena. (Solved)
1. If A and R both are true and R is correct explanation of A
2. If A and R both are true but R is not correct explanation of A
3. If A is true and R is wrong
4. If A is wrong and R is true
- a. If A and R both are true and R is correct explanation of A