Source of carbon in culture medium is:

Source of energy in culture medium is:

Tissue culture medium

Shape of protoplast in culture medium is usually:

The main nitrogen source in culture medium is:

Transfer of explant onto culture medium is called:

Excised tissue or organ on culture medium is celled:

Embryo growing in culture medium produces:

(a) Explain the role of regulatory gene, operator and structural genes in lac operon when E. Coli is growing in a culture medium with the sources of energy as lactose.

(a) Explain the role of regulatory gene, operator and structural genes in lac operon when E. Coli is growing in a culture medium with the sources of energy as lactose.