WILL GIVE BRAINLIEST. PLEASE HELP. fill in the blanks.

The lac operon genes are a series of 3 genes used to create enzymes to digest the sugar . When lactose is NOT present a . protein is attached to the promotor site, preventing from binding to the promotor site, and transcribing the DNA. This protein needs factors, which are a group of proteins which regulate transcription of genes. When lactose IS present, the protein falls off and binds to the promotor, initiating transcription.

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

What organs comprise the respiratory system of a bird