In the absence of lactose, the repressor protein encoded by the I gene binds to the lac operator and prevents transcription. Binding of allolactose to the repressor causes it to leave the operator. This enables RNA polymerase to transcribe the three genes of the operon.
A tough-skinned tropical fruit, the mango features a sweet, orange- to red-color flesh inside when ripe. Kensington pride, Kent, Palmer and sensation are only a few of the many varieties of mango available through groceries and markets.
There are hundreds of varieties of mangoes in India, all with a distinctive taste. This is the best season of the year: mango season. You canât walk into a market in India without being enveloped by the sweet smell of ripe mangoes.here are hundreds of varieties of mangoes in India, all with a distinctive taste. Many people consider themselves connoisseurs, turning their noses up at one type or another. In India, people donât just eat mangoes as a fruit.