NEETZoologyMolecular Basis of Inheritance
What is the role of tRNA in the genetic code?
Options
- ATo generate the genetic code
- BTo bind to specific amino acids
- CTo form stop codons
- DTo create specific reading frames
Correct answer
B. To bind to specific amino acids
Step-by-step solution
From the very beginning of the proposition of code, it was clear to Francis Crick that there has to be a mechanism to read the code and also to link it to the amino acids, because amino acids have no structural specialities to read the code uniquely. He postulated the presence of an adapter molecule that would on one hand read the code and on other hand would bind to specific amino acids. The tRNA, then called sRNA (soluble RNA), was known before the genetic code was postulated. However, its role as an adapter mole