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.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,