Which of the following statements are correct ?
I. Peptidyl transferase helps in the process of peptide bond formation
II. The regulator, promoter and operator together called the control genes
III. Polypeptide chain elongation continues untill a termination codon reaches the ribosomes
IV. Gene regulation in eukaryotes can be explained by lac operon model
A. I, II and III
B. II and IV
C. III and IV
D. I and III
