In order for transcription of the lac operon genes to take place, what must happen?

the repressor protein binds to the promoter sequence.

the repressor protein binds to the dna molecule, and rna polymerase falls off.

the repressor protein falls off the dna molecule, and rna polymerase binds to the promoter.

lactose is removed from the system.

correct answer: understand the different control methods available

integrated pest management is an strategy that is based on the ecosystem and try to prevent the pest and the damage caused by them by applying combination of technique like habitat manipulation, biological control and use of resistant varieties.

the main aim of the integrated pest management is not to completely eliminate the pest but to strengthen the ecosystem so that conditions are favorable for plants and unfavorable for pests.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )