NEET2022ZoologyMolecular Basis of InheritanceActual
The process of translation of mRNA to proteins begins as soon as :
Options
- AThe larger subunit of ribosome encounters mRNA
- BBoth the subunits join together to bind with mRNA
- CThe tRNA is activated and the larger subunit of ribosome encounters mRNA
- DThe small subunit of ribosome encounters mRNA
Correct answer
D. The small subunit of ribosome encounters mRNA
Step-by-step solution
The cellular factory responsible for synthesising proteins is the ribosome. The ribosome consists of structural RNAs and about 80 different proteins. In its inactive state, it exists as two subunits; a large subunit and a small subunit. When the small subunit encounters an mRNA, the process of translation of the mRNA to protein begins.