What is an arrangement of genes consisting of an operator, a promoter and a repressor

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.

Wich organism obtains its energy from dead or decaying matter

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?