What are two reasons that a eukaryotic gene will not be expressed if it is inserted into a bacterial genome with no alterations?

Actual age your first developed of age well comparison age refers to absolute age true or false

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called