According to the Sankhya philosophy, Prakriti is composed of three Gunas or forces, called Sattva (purity, light, harmony), Rajas (passion, activity, motion) and Tamas (inertia, darkness, inertness, inactivity). Guna means a cord. The Gunas bind the Self with a triple bond.
The lac operon is an inducible operon that utilizes lactose as an energy source and is activated when glucose is low and lactose is present. Learning Objectives Describe the components of the lac operon and their role in its function
The operator and its associated structural genes constitute the operon. For the lactose (lac) operon, the i gene encodes the repressor, o is the operator site, and the z, y, and a genes are the structural genes for Î² -galactosidase, the permease, and the transacetylase, respectively (Figure-2).