Which of the following is false regarding Cytosolic Eukaryotic gene expression?: (A) Capping helps in attachment of mRNA to 40 S Ribosome, (B) N formyl methionine tRNA will be the first t-RNA to come into action, (C) EF2 shifts between GDP and GTP, (D) Releasing factor releases the polypeptide chain from the P site
Answer is B. In Eukoryotic cells all polypeptides synthesized begin with a Methionine (Met) Residue rather than Formyl Methionine (F met) Residue. Ref: Lehninger Textbook of Biochemstry4th Edition, Page 1055 1008; Lippincott's Biochemistry 3rd Edition, Page 436; Color Atlas Of Genetics By Eberhard Passarge, 2007, Page 218.