Which best explains the mechanism that allows for cell differentiation? A. cells can turn off and on their entire genome at will.

B. Genes are activated and produce a specialized cell.

C. Different fertilized cells fuse, producing specialized cells

D. Cells have different DNA, and this allows for cell specialization

we would need to see the picture to answer it

registered nurse (rn): the rn is responsible for carrying out both the medical plan of care prescribed by the physician as well as the nursing care plan developed by the nursing staff. the rn assesses each resident and modifies the nursing care as needed to meet the patient's needs.