type 1 diabetes results from destruction of insulin producing cells in pancreas. People with type 1 diabetes produce insufficient insulin, which regulates the concentration of glucose in the blood. What explains how treatment with a drug that stimulates the production of insulin receptors on target cells will affect insulin signaling pathway in an individual with type 1 diabetes?

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.

to this answer it would be edge enhancement