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.
Days After Harvest. The number of days after harvest is a better predictor for planning your harvest than the general season. Most mangoes are ready to be picked after 100 to 150 days following the tree's blooming. Your location and climate will determine when a mango tree blooms.