The following diagram shows the lac Operon in the absence of inducer: Identify P, I, o, b and zya by selecting the option :
A. P. Producer, i. inductor, o. operator, b. Repressor, zya, structural genes
B. P. Promoter, i. inducer, o. operator, b. Repressor, zya structural genes
C. P. Promoter, i. inducer, o. operator, b. Repressor, zya structural genes
D. P. Promoter, i. inducer, o. open gene, b. Repressor, zya, structural genes
