Groups of different species that live together in a defined area make up a 1)ecosystem 2)community 3)biosphere 4)population

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.