NEET Botany Molecular Basis of Inheritance Questions Solved

BOARD

(a) Describe the structure and function of a t-RNA molecule. Why is it referred to as an adapter molecule?

(b) Explain the process of splicing of hn-RNA in a eukaryotic cell.            (5)

(a) Clover-leaf shaped / inverted L shaped molecules has an anti codon loop with bases complementary to specific codon , has an amino acid acceptor end = 1+1As it reads the code on one hand and binds with the specific amino acid on the other hand.=1

(b) Introns are removed , exons are joined in a definite order = 1 + 1

Process of splicing shown diagramatically.                                     (5) 

 

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